12112202012022 has 48 divisors (see below), whose sum is σ = 30228277727232. Its totient is φ = 3433380093360.

The previous prime is 12112202011991. The next prime is 12112202012033. The reversal of 12112202012022 is 22021020221121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12112202011986 and 12112202012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378443004 + ... + 378475007.

It is an arithmetic number, because the mean of its divisors is an integer number (629755785984).

Almost surely, 2^{12112202012022} is an apocalyptic number.

12112202012022 is an abundant number, since it is smaller than the sum of its proper divisors (18116075715210).

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

12112202012022 is a wasteful number, since it uses less digits than its factorization.

12112202012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756918153 (or 756918150 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12112202012022 its reverse (22021020221121), we get a palindrome (34133222233143).

The spelling of 12112202012022 in words is "twelve trillion, one hundred twelve billion, two hundred two million, twelve thousand, twenty-two".