122398135426100 has 72 divisors (see below), whose sum is σ = 266366409458688. Its totient is φ = 48818834166400.

The previous prime is 122398135426093. The next prime is 122398135426163. The reversal of 122398135426100 is 1624531893221.

It is a super-2 number, since 2×122398135426100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77792402 + ... + 79350198.

It is an arithmetic number, because the mean of its divisors is an integer number (3699533464704).

Almost surely, 2^{122398135426100} is an apocalyptic number.

122398135426100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122398135426100 is an abundant number, since it is smaller than the sum of its proper divisors (143968274032588).

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

122398135426100 is a wasteful number, since it uses less digits than its factorization.

122398135426100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560065 (or 1560058 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 122398135426100 in words is "one hundred twenty-two trillion, three hundred ninety-eight billion, one hundred thirty-five million, four hundred twenty-six thousand, one hundred".