122557445672 has 16 divisors (see below), whose sum is σ = 235399972500. Its totient is φ = 59784119680.

The previous prime is 122557445641. The next prime is 122557445683. The reversal of 122557445672 is 276544755221.

It can be written as a sum of positive squares in 2 ways, for example, as 121122096676 + 1435348996 = 348026^2 + 37886^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122557445672.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186825047 + ... + 186825702.

Almost surely, 2^122557445672 is an apocalyptic number.

It is an amenable number.

122557445672 is a deficient number, since it is larger than the sum of its proper divisors (112842526828).

122557445672 is a wasteful number, since it uses less digits than its factorization.

122557445672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373650796 (or 373650792 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 50.

The spelling of 122557445672 in words is "one hundred twenty-two billion, five hundred fifty-seven million, four hundred forty-five thousand, six hundred seventy-two".