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.
Most snakes have 300 or more vertebrae, sometimes as many as 400. There are over 3,400 distinct species of snakes in the world.