12232123131 has 16 divisors (see below), whose sum is σ = 16506054656. Its totient is φ = 8056838016.

The previous prime is 12232123109. The next prime is 12232123153. The reversal of 12232123131 is 13132123221.

It is an interprime number because it is at equal distance from previous prime (12232123109) and next prime (12232123153).

It is not a de Polignac number, because 12232123131 - 2¹⁰ = 12232122107 is a prime.

It is a super-2 number, since 2×12232123131² (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 = 12232123098 and 12232123107.

It is not an unprimeable number, because it can be changed into a prime (12232123331) 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, 88086 + ... + 179508.

It is an arithmetic number, because the mean of its divisors is an integer number (1031628416).

Almost surely, 2^12232123131 is an apocalyptic number.

12232123131 is a deficient number, since it is larger than the sum of its proper divisors (4273931525).

12232123131 is a wasteful number, since it uses less digits than its factorization.

12232123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91962.

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

Adding to 12232123131 its reverse (13132123221), we get a palindrome (25364246352).

The spelling of 12232123131 in words is "twelve billion, two hundred thirty-two million, one hundred twenty-three thousand, one hundred thirty-one".