312838304812 has 24 divisors (see below), whose sum is σ = 601596167760. Its totient is φ = 141161276160.

The previous prime is 312838304777. The next prime is 312838304813. The reversal of 312838304812 is 218403838213.

It is not an unprimeable number, because it can be changed into a prime (312838304813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25942737 + ... + 25954792.

It is an arithmetic number, because the mean of its divisors is an integer number (25066506990).

Almost surely, 2^312838304812 is an apocalyptic number.

It is an amenable number.

312838304812 is a deficient number, since it is larger than the sum of its proper divisors (288757862948).

312838304812 is a wasteful number, since it uses less digits than its factorization.

312838304812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51897681 (or 51897679 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 312838304812 in words is "three hundred twelve billion, eight hundred thirty-eight million, three hundred four thousand, eight hundred twelve".