'Twelve' in the Bible

To the sons of Merari [were given] by lot, according to their families, out of the tribe of Reuben, and out of the tribe of Gad, and out of the tribe of Zebulun, twelve cities.

All these who were chosen to be porters in the thresholds were two hundred and twelve. These were reckoned by genealogy in their villages, whom David and Samuel the seer did ordain in their office of trust.

of the sons of Uzziel, Amminadab the chief, and his brothers one hundred twelve.

Now the first lot came forth for Asaph to Joseph: the second to Gedaliah; he and his brothers and sons were twelve:

the third to Zaccur, his sons and his brothers, twelve:

the fourth to Izri, his sons and his brothers, twelve:

the fifth to Nethaniah, his sons and his brothers, twelve:

the sixth to Bukkiah, his sons and his brothers, twelve:

the seventh to Jesharelah, his sons and his brothers, twelve:

the eighth to Jeshaiah, his sons and his brothers, twelve:

the ninth to Mattaniah, his sons and his brothers, twelve:

the tenth to Shimei, his sons and his brothers, twelve:

the eleventh to Azarel, his sons and his brothers, twelve:

the twelfth to Hashabiah, his sons and his brothers, twelve:

for the thirteenth, Shubael, his sons and his brothers, twelve:

for the fourteenth, Mattithiah, his sons and his brothers, twelve:

for the fifteenth to Jeremoth, his sons and his brothers, twelve:

for the sixteenth to Hananiah, his sons and his brothers, twelve:

for the seventeenth to Joshbekashah, his sons and his brothers, twelve:

for the eighteenth to Hanani, his sons and his brothers, twelve:

for the nineteenth to Mallothi, his sons and his brothers, twelve:

for the twentieth to Eliathah, his sons and his brothers, twelve:

for the one and twentieth to Hothir, his sons and his brothers, twelve:

for the two and twentieth to Giddalti, his sons and his brothers, twelve:

for the three and twentieth to Mahazioth, his sons and his brothers, twelve:

for the four and twentieth to Romamti-Ezer, his sons and his brothers, twelve.