1312856243316 has 24 divisors (see below), whose sum is σ = 3403701371840. Its totient is φ = 437618747736.

The previous prime is 1312856243299. The next prime is 1312856243329. The reversal of 1312856243316 is 6133426582131.

1312856243316 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 8 + 5 + 624 + 3 + 3 + 16 = 666.

It is a super-2 number, since 2×1312856243316² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6078038056 + ... + 6078038271.

Almost surely, 2^{1312856243316} is an apocalyptic number.

It is an amenable number.

1312856243316 is an abundant number, since it is smaller than the sum of its proper divisors (2090845128524).

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

1312856243316 is a wasteful number, since it uses less digits than its factorization.

1312856243316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12156076340 (or 12156076332 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 1312856243316 in words is "one trillion, three hundred twelve billion, eight hundred fifty-six million, two hundred forty-three thousand, three hundred sixteen".