'Twelve' in the Bible
Solomon had twelve deputies over all Israel, who provided for the king and his household; each man had to provide for a month in the year.
He fashioned the two pillars of bronze; eighteen cubits was the height of one pillar, and a line of twelve cubits measured the circumference of both.
It stood on twelve oxen, three facing north, three facing west, three facing south, and three facing east; and the sea was set on top of them, and all their rear parts turned inward.
Twelve lions were standing there on the six steps on the one side and on the other; nothing like it was made for any other kingdom.
Then Ahijah took hold of the new cloak which was on him and tore it into twelve pieces.
In the thirty-first year of Asa king of Judah, Omri became king over Israel and reigned twelve years; he reigned six years at Tirzah.
Elijah took twelve stones according to the number of the tribes of the sons of Jacob, to whom the word of the Lord had come, saying, “Israel shall be your name.”
So he departed from there and found Elisha the son of Shaphat, while he was plowing with twelve pairs of oxen before him, and he with the twelfth. And Elijah passed over to him and threw his mantle on him.