312404812 has 6 divisors (see below), whose sum is σ = 546708428. Its totient is φ = 156202404.

The previous prime is 312404809. The next prime is 312404819. The reversal of 312404812 is 218404213.

It is not an unprimeable number, because it can be changed into a prime (312404819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39050598 + ... + 39050605.

Almost surely, 2^312404812 is an apocalyptic number.

It is an amenable number.

312404812 is a deficient number, since it is larger than the sum of its proper divisors (234303616).

312404812 is a wasteful number, since it uses less digits than its factorization.

312404812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78101207 (or 78101205 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 312404812 is about 17674.9770013995. The cubic root of 312404812 is about 678.5354958226.

The spelling of 312404812 in words is "three hundred twelve million, four hundred four thousand, eight hundred twelve".