12131233134 has 16 divisors (see below), whose sum is σ = 24264289488. Its totient is φ = 4043440512.

The previous prime is 12131233129. The next prime is 12131233141. The reversal of 12131233134 is 43133213121.

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, 19824 + ... + 157020.

It is an arithmetic number, because the mean of its divisors is an integer number (1516518093).

Almost surely, 2^12131233134 is an apocalyptic number.

12131233134 is an abundant number, since it is smaller than the sum of its proper divisors (12133056354).

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

12131233134 is a wasteful number, since it uses less digits than its factorization.

12131233134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151939.

The product of its digits is 1296, while the sum is 24.

Adding to 12131233134 its reverse (43133213121), we get a palindrome (55264446255).

The spelling of 12131233134 in words is "twelve billion, one hundred thirty-one million, two hundred thirty-three thousand, one hundred thirty-four".