'Twelve' in the Bible
To the Merarites twelve cities [were] allotted according to their clans out of the tribe of Reuben, out of the tribe of Gad, and out of the tribe of Zebulun.
All of them were chosen as gatekeepers at the entrances, two hundred and twelve. They were enrolled by genealogies in their villages. They [were] established [by] David and Samuel the seer on account of their faithfulness.
Of the sons of Uzziel: Amminadab the chief and one hundred and twelve of his brothers.
And the first lot for Asaph went out to Joseph; the second to Gedaliahu; he and his brothers and his twelve sons.
the twelfth to Hashabiah, his sons and his brothers, twelve;
to [the] thirteenth, Shubael, his sons and his brothers, twelve;
to [the] fourteenth, Mattithiah, his sons and his brothers, twelve;
to [the] fifteenth, to Jeremoth, his sons and his brothers, twelve;
to [the] sixteenth, to Hananiah, his sons and his brothers, twelve;
to [the] seventeenth, to Joshbekashah, his sons and his brothers, twelve;
to [the] eighteenth, to Hanani, his sons and his brothers, twelve;
to [the] nineteenth, to Mallothi, his sons and his brothers, twelve;
to [the] twentieth, to Eliathah, his sons and his brothers, twelve;
to [the] twenty-first, to Hothir, his sons and his brothers, twelve;
to [the] twenty-second, to Giddalti, his sons and his brothers, twelve;
to [the] twenty-third, to Mahazioth, his sons and his brothers, twelve;
to [the] twenty-fourth, to Romamti-ezer, his sons and his brothers, twelve.