12322133231 has 2 divisors, whose sum is σ = 12322133232. Its totient is φ = 12322133230.

The previous prime is 12322133227. The next prime is 12322133233. The reversal of 12322133231 is 13233122321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12322133231 - 2² = 12322133227 is a prime.

It is a super-2 number, since 2×12322133231² (a number of 21 digits) contains 22 as substring.

Together with 12322133233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12322133197 and 12322133206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12322133233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161066615 + 6161066616.

It is an arithmetic number, because the mean of its divisors is an integer number (6161066616).

Almost surely, 2^12322133231 is an apocalyptic number.

12322133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12322133231 is an equidigital number, since it uses as much as digits as its factorization.

12322133231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

Adding to 12322133231 its reverse (13233122321), we get a palindrome (25555255552).

The spelling of 12322133231 in words is "twelve billion, three hundred twenty-two million, one hundred thirty-three thousand, two hundred thirty-one".