12332231 has 2 divisors, whose sum is σ = 12332232. Its totient is φ = 12332230.

The previous prime is 12332227. The next prime is 12332233. The reversal of 12332231 is 13223321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12332231 - 2² = 12332227 is a prime.

It is a super-2 number, since 2×12332231² = 304167842874722, which contains 22 as substring.

Together with 12332233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12332233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6166115 + 6166116.

It is an arithmetic number, because the mean of its divisors is an integer number (6166116).

Almost surely, 2^12332231 is an apocalyptic number.

12332231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12332231 is an equidigital number, since it uses as much as digits as its factorization.

12332231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 17.

The square root of 12332231 is about 3511.7276375027. The cubic root of 12332231 is about 231.0364753156.

Adding to 12332231 its reverse (13223321), we get a palindrome (25555552).

The spelling of 12332231 in words is "twelve million, three hundred thirty-two thousand, two hundred thirty-one".