12112202021022 has 24 divisors (see below), whose sum is σ = 26243168675880. Its totient is φ = 4037390781840.

The previous prime is 12112202020999. The next prime is 12112202021027. The reversal of 12112202021022 is 22012020221121.

It is a happy number.

12112202021022 is a `hidden beast` number, since 1 + 211 + 220 + 2 + 0 + 210 + 22 = 666.

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 = 12112202020986 and 12112202021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112202021027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12922272 + ... + 13827852.

It is an arithmetic number, because the mean of its divisors is an integer number (1093465361495).

Almost surely, 2^{12112202021022} is an apocalyptic number.

12112202021022 is an abundant number, since it is smaller than the sum of its proper divisors (14130966654858).

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

12112202021022 is a wasteful number, since it uses less digits than its factorization.

12112202021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648648 (or 1648645 counting only the distinct ones).

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

Adding to 12112202021022 its reverse (22012020221121), we get a palindrome (34124222242143).

The spelling of 12112202021022 in words is "twelve trillion, one hundred twelve billion, two hundred two million, twenty-one thousand, twenty-two".