312775012 has 12 divisors (see below), whose sum is σ = 597116016. Its totient is φ = 142170440.

The previous prime is 312775009. The next prime is 312775033. The reversal of 312775012 is 210577213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554218 + ... + 3554305.

It is an arithmetic number, because the mean of its divisors is an integer number (49759668).

Almost surely, 2^312775012 is an apocalyptic number.

It is an amenable number.

312775012 is a deficient number, since it is larger than the sum of its proper divisors (284341004).

312775012 is a wasteful number, since it uses less digits than its factorization.

312775012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7108538 (or 7108536 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 312775012 is about 17685.4463330729. The cubic root of 312775012 is about 678.8034117600.

The spelling of 312775012 in words is "three hundred twelve million, seven hundred seventy-five thousand, twelve".