12031224204 has 12 divisors (see below), whose sum is σ = 28072856504. Its totient is φ = 4010408064.

The previous prime is 12031224143. The next prime is 12031224209. The reversal of 12031224204 is 40242213021.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12031224209) 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, 501300997 + ... + 501301020.

Almost surely, 2^12031224204 is an apocalyptic number.

It is an amenable number.

12031224204 is an abundant number, since it is smaller than the sum of its proper divisors (16041632300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12031224204 is a wasteful number, since it uses less digits than its factorization.

12031224204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002602024 (or 1002602022 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12031224204 its reverse (40242213021), we get a palindrome (52273437225).

The spelling of 12031224204 in words is "twelve billion, thirty-one million, two hundred twenty-four thousand, two hundred four".