12100222122 has 32 divisors (see below), whose sum is σ = 25287966720. Its totient is φ = 3852644400.

The previous prime is 12100222109. The next prime is 12100222133. The reversal of 12100222122 is 22122200121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38247 + ... + 160197.

It is an arithmetic number, because the mean of its divisors is an integer number (790248960).

Almost surely, 2^12100222122 is an apocalyptic number.

12100222122 is an abundant number, since it is smaller than the sum of its proper divisors (13187744598).

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

12100222122 is a wasteful number, since it uses less digits than its factorization.

12100222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122698.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12100222122 its reverse (22122200121), we get a palindrome (34222422243).

The spelling of 12100222122 in words is "twelve billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-two".