12231302132131 has 4 divisors (see below), whose sum is σ = 12653071171200. Its totient is φ = 11809533093064.

The previous prime is 12231302132123. The next prime is 12231302132237. The reversal of 12231302132131 is 13123120313221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12231302132131 - 2³ = 12231302132123 is a prime.

It is a super-2 number, since 2×12231302132131² (a number of 27 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 = 12231302132096 and 12231302132105.

It is not an unprimeable number, because it can be changed into a prime (12231302132431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210884519491 + ... + 210884519548.

It is an arithmetic number, because the mean of its divisors is an integer number (3163267792800).

Almost surely, 2^{12231302132131} is an apocalyptic number.

12231302132131 is a deficient number, since it is larger than the sum of its proper divisors (421769039069).

12231302132131 is an equidigital number, since it uses as much as digits as its factorization.

12231302132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421769039068.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12231302132131 its reverse (13123120313221), we get a palindrome (25354422445352).

The spelling of 12231302132131 in words is "twelve trillion, two hundred thirty-one billion, three hundred two million, one hundred thirty-two thousand, one hundred thirty-one".