122657225020 has 24 divisors (see below), whose sum is σ = 280996552368. Its totient is φ = 44602627200.

The previous prime is 122657224997. The next prime is 122657225029. The reversal of 122657225020 is 20522756221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122657225029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278766201 + ... + 278766640.

It is an arithmetic number, because the mean of its divisors is an integer number (11708189682).

Almost surely, 2^122657225020 is an apocalyptic number.

122657225020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122657225020 is an abundant number, since it is smaller than the sum of its proper divisors (158339327348).

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

122657225020 is a wasteful number, since it uses less digits than its factorization.

122657225020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557532861 (or 557532859 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 122657225020 in words is "one hundred twenty-two billion, six hundred fifty-seven million, two hundred twenty-five thousand, twenty".