122625020172 has 96 divisors (see below), whose sum is σ = 296685010944. Its totient is φ = 39378830400.

The previous prime is 122625020171. The next prime is 122625020197. The reversal of 122625020172 is 271020526221.

It is not an unprimeable number, because it can be changed into a prime (122625020171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134604397 + ... + 134605307.

It is an arithmetic number, because the mean of its divisors is an integer number (3090468864).

Almost surely, 2^122625020172 is an apocalyptic number.

122625020172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122625020172 is an abundant number, since it is smaller than the sum of its proper divisors (174059990772).

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

122625020172 is a wasteful number, since it uses less digits than its factorization.

122625020172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 122625020172 its reverse (271020526221), we get a palindrome (393645546393).

The spelling of 122625020172 in words is "one hundred twenty-two billion, six hundred twenty-five million, twenty thousand, one hundred seventy-two".