1312542052664 has 64 divisors (see below), whose sum is σ = 2608073303040. Its totient is φ = 617972382720.

The previous prime is 1312542052651. The next prime is 1312542052667. The reversal of 1312542052664 is 4662502452131.

It is a super-2 number, since 2×1312542052664² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312542052667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8717429 + ... + 8866715.

It is an arithmetic number, because the mean of its divisors is an integer number (40751145360).

Almost surely, 2^{1312542052664} is an apocalyptic number.

It is an amenable number.

1312542052664 is a deficient number, since it is larger than the sum of its proper divisors (1295531250376).

1312542052664 is a wasteful number, since it uses less digits than its factorization.

1312542052664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150060 (or 150056 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 1312542052664 in words is "one trillion, three hundred twelve billion, five hundred forty-two million, fifty-two thousand, six hundred sixty-four".