12132403131 has 8 divisors (see below), whose sum is σ = 16177122880. Its totient is φ = 8087976072.

The previous prime is 12132403099. The next prime is 12132403169. The reversal of 12132403131 is 13130423121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12132403131 - 2⁵ = 12132403099 is a prime.

It is a super-2 number, since 2×12132403131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12132403098 and 12132403107.

It is not an unprimeable number, because it can be changed into a prime (12132403181) 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, 56256 + ... + 165618.

It is an arithmetic number, because the mean of its divisors is an integer number (2022140360).

Almost surely, 2^12132403131 is an apocalyptic number.

12132403131 is a deficient number, since it is larger than the sum of its proper divisors (4044719749).

12132403131 is a wasteful number, since it uses less digits than its factorization.

12132403131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146345.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12132403131 its reverse (13130423121), we get a palindrome (25262826252).

The spelling of 12132403131 in words is "twelve billion, one hundred thirty-two million, four hundred three thousand, one hundred thirty-one".