12212532412 has 12 divisors (see below), whose sum is σ = 21592261600. Its totient is φ = 6043314816.

The previous prime is 12212532407. The next prime is 12212532413. The reversal of 12212532412 is 21423521221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212532413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15737412 + ... + 15738187.

Almost surely, 2^12212532412 is an apocalyptic number.

It is an amenable number.

12212532412 is a deficient number, since it is larger than the sum of its proper divisors (9379729188).

12212532412 is a wasteful number, since it uses less digits than its factorization.

12212532412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31475700 (or 31475698 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The spelling of 12212532412 in words is "twelve billion, two hundred twelve million, five hundred thirty-two thousand, four hundred twelve".