12112122121022 has 32 divisors (see below), whose sum is σ = 22651412120064. Its totient is φ = 4718973045600.

The previous prime is 12112122120997. The next prime is 12112122121031. The reversal of 12112122121022 is 22012122121121.

It is a junction number, because it is equal to n+sod(n) for n = 12112122120985 and 12112122121003.

It is a congruent number.

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, 30662423 + ... + 31054925.

It is an arithmetic number, because the mean of its divisors is an integer number (707856628752).

Almost surely, 2^{12112122121022} is an apocalyptic number.

12112122121022 is a deficient number, since it is larger than the sum of its proper divisors (10539289999042).

12112122121022 is a wasteful number, since it uses less digits than its factorization.

12112122121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592904.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12112122121022 its reverse (22012122121121), we get a palindrome (34124244242143).

Subtracting 12112122121022 from its reverse (22012122121121), we obtain a palindrome (9900000000099).

The spelling of 12112122121022 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-two".