312012431908 has 12 divisors (see below), whose sum is σ = 546557603760. Its totient is φ = 155853116552.

The previous prime is 312012431903. The next prime is 312012431909. The reversal of 312012431908 is 809134210213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312012431903) 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, 38270266 + ... + 38278417.

It is an arithmetic number, because the mean of its divisors is an integer number (45546466980).

Almost surely, 2^312012431908 is an apocalyptic number.

It is an amenable number.

312012431908 is a deficient number, since it is larger than the sum of its proper divisors (234545171852).

312012431908 is a wasteful number, since it uses less digits than its factorization.

312012431908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76549706 (or 76549704 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 312012431908 in words is "three hundred twelve billion, twelve million, four hundred thirty-one thousand, nine hundred eight".