1312537722152 has 32 divisors (see below), whose sum is σ = 2500206415200. Its totient is φ = 645835358784.

The previous prime is 1312537722127. The next prime is 1312537722173. The reversal of 1312537722152 is 2512277352131.

It is a super-2 number, since 2×1312537722152² (a number of 25 digits) contains 22 as substring.

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, 665702 + ... + 1751637.

It is an arithmetic number, because the mean of its divisors is an integer number (78131450475).

Almost surely, 2^{1312537722152} is an apocalyptic number.

It is an amenable number.

1312537722152 is a deficient number, since it is larger than the sum of its proper divisors (1187668693048).

1312537722152 is a wasteful number, since it uses less digits than its factorization.

1312537722152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418425 (or 2418421 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The spelling of 1312537722152 in words is "one trillion, three hundred twelve billion, five hundred thirty-seven million, seven hundred twenty-two thousand, one hundred fifty-two".