12131116124 has 24 divisors (see below), whose sum is σ = 22396626000. Its totient is φ = 5733504000.

The previous prime is 12131116117. The next prime is 12131116133. The reversal of 12131116124 is 42161113121.

It is a self number, because there is not a number n which added to its sum of digits gives 12131116124.

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, 143627 + ... + 211874.

It is an arithmetic number, because the mean of its divisors is an integer number (933192750).

Almost surely, 2^12131116124 is an apocalyptic number.

It is an amenable number.

12131116124 is a deficient number, since it is larger than the sum of its proper divisors (10265509876).

12131116124 is a wasteful number, since it uses less digits than its factorization.

12131116124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355973 (or 355971 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

Adding to 12131116124 its reverse (42161113121), we get a palindrome (54292229245).

The spelling of 12131116124 in words is "twelve billion, one hundred thirty-one million, one hundred sixteen thousand, one hundred twenty-four".