Bluebulb Projects' The Measure of Things presents:
12,000 is about 40 times the number of Vertebrae in a Snake's Body
In other words, the count of Vertebrae in a Snake's Body is 0.03 times that amount.
(Serpentes) (Approximate)
Most snakes have 300 or more vertebrae, sometimes as many as 400. There are over 3,400 distinct species of snakes in the world.