122012320112100 has 216 divisors, whose sum is σ = 428484086179968. Its totient is φ = 28779318662400.

The previous prime is 122012320112099. The next prime is 122012320112143. The reversal of 122012320112100 is 1211023210221.

122012320112100 is a `hidden beast` number, since 1 + 220 + 1 + 2 + 320 + 1 + 121 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 166180684 + ... + 166913283.

Almost surely, 2^{122012320112100} is an apocalyptic number.

122012320112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012320112100 is an abundant number, since it is smaller than the sum of its proper divisors (306471766067868).

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

122012320112100 is a wasteful number, since it uses less digits than its factorization.

122012320112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333094035 (or 333094025 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122012320112100 its reverse (1211023210221), we get a palindrome (123223343322321).

The spelling of 122012320112100 in words is "one hundred twenty-two trillion, twelve billion, three hundred twenty million, one hundred twelve thousand, one hundred".