122000222100 has 72 divisors (see below), whose sum is σ = 362527539808. Its totient is φ = 31654108800.

The previous prime is 122000222089. The next prime is 122000222159. The reversal of 122000222100 is 1222000221.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 5484406 + ... + 5506605.

Almost surely, 2^122000222100 is an apocalyptic number.

122000222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000222100 is an abundant number, since it is smaller than the sum of its proper divisors (240527317708).

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

122000222100 is a wasteful number, since it uses less digits than its factorization.

122000222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10991065 (or 10991058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 122000222100 its reverse (1222000221), we get a palindrome (123222222321).

The spelling of 122000222100 in words is "one hundred twenty-two billion, two hundred twenty-two thousand, one hundred".