12112013122 has 96 divisors (see below), whose sum is σ = 21156448320. Its totient is φ = 5190768000.

The previous prime is 12112013107. The next prime is 12112013143. The reversal of 12112013122 is 22131021121.

It is a junction number, because it is equal to n+sod(n) for n = 12112013096 and 12112013105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53356773 + ... + 53356999.

It is an arithmetic number, because the mean of its divisors is an integer number (220379670).

Almost surely, 2^12112013122 is an apocalyptic number.

12112013122 is a deficient number, since it is larger than the sum of its proper divisors (9044435198).

12112013122 is a wasteful number, since it uses less digits than its factorization.

12112013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12112013122 its reverse (22131021121), we get a palindrome (34243034243).

The spelling of 12112013122 in words is "twelve billion, one hundred twelve million, thirteen thousand, one hundred twenty-two".