12112121010022 has 16 divisors (see below), whose sum is σ = 19821206610000. Its totient is φ = 5505128375040.

The previous prime is 12112121010001. The next prime is 12112121010079. The reversal of 12112121010022 is 22001012121121.

It is a super-2 number, since 2×12112121010022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12112121009978 and 12112121010005.

It is a congruent number.

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, 18733647 + ... + 19369402.

It is an arithmetic number, because the mean of its divisors is an integer number (1238825413125).

Almost surely, 2^{12112121010022} is an apocalyptic number.

12112121010022 is a deficient number, since it is larger than the sum of its proper divisors (7709085599978).

12112121010022 is a wasteful number, since it uses less digits than its factorization.

12112121010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38117511.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12112121010022 its reverse (22001012121121), we get a palindrome (34113133131143).

The spelling of 12112121010022 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-one million, ten thousand, twenty-two".