12122222110100 has 36 divisors (see below), whose sum is σ = 26311038839904. Its totient is φ = 4847816611680.

The previous prime is 12122222110099. The next prime is 12122222110111. The reversal of 12122222110100 is 101122222121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12948344 + ... + 13852943.

Almost surely, 2^{12122222110100} is an apocalyptic number.

12122222110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122222110100 is an abundant number, since it is smaller than the sum of its proper divisors (14188816729804).

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

12122222110100 is a wasteful number, since it uses less digits than its factorization.

12122222110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26805824 (or 26805817 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122222110100 its reverse (101122222121), we get a palindrome (12223344332221).

The spelling of 12122222110100 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred ten thousand, one hundred".