12132421131 has 16 divisors (see below), whose sum is σ = 16356936960. Its totient is φ = 7998593760.

The previous prime is 12132421123. The next prime is 12132421157. The reversal of 12132421131 is 13112423121.

It is not a de Polignac number, because 12132421131 - 2³ = 12132421123 is a prime.

It is a super-2 number, since 2×12132421131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12132421098 and 12132421107.

It is not an unprimeable number, because it can be changed into a prime (12132421111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34786 + ... + 159608.

It is an arithmetic number, because the mean of its divisors is an integer number (1022308560).

Almost surely, 2^12132421131 is an apocalyptic number.

12132421131 is a deficient number, since it is larger than the sum of its proper divisors (4224515829).

12132421131 is a wasteful number, since it uses less digits than its factorization.

12132421131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125186.

The product of its digits is 288, while the sum is 21.

Adding to 12132421131 its reverse (13112423121), we get a palindrome (25244844252).

The spelling of 12132421131 in words is "twelve billion, one hundred thirty-two million, four hundred twenty-one thousand, one hundred thirty-one".