312897217088008 has 24 divisors (see below), whose sum is σ = 682467144414750. Its totient is φ = 134098807323264.

The previous prime is 312897217087919. The next prime is 312897217088017. The reversal of 312897217088008 is 800880712798213.

It can be written as a sum of positive squares in only one way, i.e., 271057303137124 + 41839913950884 = 16463818^2 + 6468378^2 .

It is a super-2 number, since 2×312897217088008² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 399103592833 + ... + 399103593616.

Almost surely, 2^{312897217088008} is an apocalyptic number.

It is an amenable number.

312897217088008 is an abundant number, since it is smaller than the sum of its proper divisors (369569927326742).

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

312897217088008 is a wasteful number, since it uses less digits than its factorization.

312897217088008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798207186469 (or 798207186458 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 64.

The spelling of 312897217088008 in words is "three hundred twelve trillion, eight hundred ninety-seven billion, two hundred seventeen million, eighty-eight thousand, eight".