12112012022 has 16 divisors (see below), whose sum is σ = 19821452112. Its totient is φ = 5504961120.

The previous prime is 12112012019. The next prime is 12112012043. The reversal of 12112012022 is 22021021121.

It is a junction number, because it is equal to n+sod(n) for n = 12112011988 and 12112012006.

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, 345788 + ... + 379200.

It is an arithmetic number, because the mean of its divisors is an integer number (1238840757).

Almost surely, 2^12112012022 is an apocalyptic number.

12112012022 is a deficient number, since it is larger than the sum of its proper divisors (7709440090).

12112012022 is a wasteful number, since it uses less digits than its factorization.

12112012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49903.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12112012022 its reverse (22021021121), we get a palindrome (34133033143).

Subtracting 12112012022 from its reverse (22021021121), we obtain a palindrome (9909009099).

The spelling of 12112012022 in words is "twelve billion, one hundred twelve million, twelve thousand, twenty-two".