12112200122122 has 16 divisors (see below), whose sum is σ = 18963817270272. Its totient is φ = 5791083004080.

The previous prime is 12112200122059. The next prime is 12112200122131. The reversal of 12112200122122 is 22122100221121.

It is a self number, because there is not a number n which added to its sum of digits gives 12112200122122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38668653 + ... + 38980624.

It is an arithmetic number, because the mean of its divisors is an integer number (1185238579392).

Almost surely, 2^{12112200122122} is an apocalyptic number.

12112200122122 is a deficient number, since it is larger than the sum of its proper divisors (6851617148150).

12112200122122 is a wasteful number, since it uses less digits than its factorization.

12112200122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77652693.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12112200122122 its reverse (22122100221121), we get a palindrome (34234300343243).

The spelling of 12112200122122 in words is "twelve trillion, one hundred twelve billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-two".