Well, it probably is something about fullness, completeness, full circle. Like in the 12 signs of the Zodiac, 12 months of the year, a dozen doughnuts (giggling) Also in numerology the 12 can be broken down into a 3 which is about love and communication. Since the 3 is comprised of a 1 and a 2, they influence it. 1 is about independence and leadership and unity. 2 is about friendship and helpfulness.