12232332231 has 16 divisors (see below), whose sum is σ = 18652128768. Its totient is φ = 6985260000.

The previous prime is 12232332227. The next prime is 12232332239. The reversal of 12232332231 is 13223323221.

It is not a de Polignac number, because 12232332231 - 2² = 12232332227 is a prime.

It is a super-2 number, since 2×12232332231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232332239) 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, 161020 + ... + 224481.

It is an arithmetic number, because the mean of its divisors is an integer number (1165758048).

Almost surely, 2^12232332231 is an apocalyptic number.

12232332231 is a deficient number, since it is larger than the sum of its proper divisors (6419796537).

12232332231 is a wasteful number, since it uses less digits than its factorization.

12232332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387022.

The product of its digits is 2592, while the sum is 24.

Adding to 12232332231 its reverse (13223323221), we get a palindrome (25455655452).

The spelling of 12232332231 in words is "twelve billion, two hundred thirty-two million, three hundred thirty-two thousand, two hundred thirty-one".