12220113122 has 32 divisors (see below), whose sum is σ = 21288794112. Its totient is φ = 5152863744.

The previous prime is 12220113079. The next prime is 12220113151. The reversal of 12220113122 is 22131102221.

It is a self number, because there is not a number n which added to its sum of digits gives 12220113122.

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, 188543 + ... + 244925.

It is an arithmetic number, because the mean of its divisors is an integer number (665274816).

Almost surely, 2^12220113122 is an apocalyptic number.

12220113122 is a deficient number, since it is larger than the sum of its proper divisors (9068680990).

12220113122 is a wasteful number, since it uses less digits than its factorization.

12220113122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56642.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12220113122 its reverse (22131102221), we get a palindrome (34351215343).

The spelling of 12220113122 in words is "twelve billion, two hundred twenty million, one hundred thirteen thousand, one hundred twenty-two".