1372257652122 has 64 divisors (see below), whose sum is σ = 3566147650560. Its totient is φ = 382955619312.

The previous prime is 1372257652093. The next prime is 1372257652169. The reversal of 1372257652122 is 2212567522731.

1372257652122 is a `hidden beast` number, since 1 + 3 + 7 + 2 + 2 + 576 + 52 + 1 + 22 = 666.

It is a super-2 number, since 2×1372257652122² (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 31 ways as a sum of consecutive naturals, for example, 42196668 + ... + 42229175.

It is an arithmetic number, because the mean of its divisors is an integer number (55721057040).

Almost surely, 2^{1372257652122} is an apocalyptic number.

1372257652122 is an abundant number, since it is smaller than the sum of its proper divisors (2193889998438).

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

1372257652122 is a wasteful number, since it uses less digits than its factorization.

1372257652122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84425904 (or 84425898 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 1372257652122 in words is "one trillion, three hundred seventy-two billion, two hundred fifty-seven million, six hundred fifty-two thousand, one hundred twenty-two".