12224231131 has 8 divisors (see below), whose sum is σ = 14002376960. Its totient is φ = 10454042088.

The previous prime is 12224231113. The next prime is 12224231143. The reversal of 12224231131 is 13113242221.

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

It is not a de Polignac number, because 12224231131 - 2²⁹ = 11687360219 is a prime.

It is a super-2 number, since 2×12224231131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12224231111) 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, 1985901 + ... + 1992046.

It is an arithmetic number, because the mean of its divisors is an integer number (1750297120).

Almost surely, 2^12224231131 is an apocalyptic number.

12224231131 is a deficient number, since it is larger than the sum of its proper divisors (1778145829).

12224231131 is an equidigital number, since it uses as much as digits as its factorization.

12224231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978393.

The product of its digits is 576, while the sum is 22.

Adding to 12224231131 its reverse (13113242221), we get a palindrome (25337473352).

The spelling of 12224231131 in words is "twelve billion, two hundred twenty-four million, two hundred thirty-one thousand, one hundred thirty-one".