12113122132 has 24 divisors (see below), whose sum is σ = 23420771136. Its totient is φ = 5452453248.

The previous prime is 12113122129. The next prime is 12113122139. The reversal of 12113122132 is 23122131121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113122139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3870918 + ... + 3874045.

It is an arithmetic number, because the mean of its divisors is an integer number (975865464).

Almost surely, 2^12113122132 is an apocalyptic number.

It is an amenable number.

12113122132 is a deficient number, since it is larger than the sum of its proper divisors (11307649004).

12113122132 is a wasteful number, since it uses less digits than its factorization.

12113122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7745007 (or 7745005 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 12113122132 its reverse (23122131121), we get a palindrome (35235253253).

The spelling of 12113122132 in words is "twelve billion, one hundred thirteen million, one hundred twenty-two thousand, one hundred thirty-two".