12313122329 has 2 divisors, whose sum is σ = 12313122330. Its totient is φ = 12313122328.

The previous prime is 12313122317. The next prime is 12313122361. The reversal of 12313122329 is 92322131321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10009602304 + 2303520025 = 100048^2 + 47995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12313122329 is a prime.

It is a super-2 number, since 2×12313122329² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12313122629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156561164 + 6156561165.

It is an arithmetic number, because the mean of its divisors is an integer number (6156561165).

Almost surely, 2^12313122329 is an apocalyptic number.

It is an amenable number.

12313122329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313122329 is an equidigital number, since it uses as much as digits as its factorization.

12313122329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The spelling of 12313122329 in words is "twelve billion, three hundred thirteen million, one hundred twenty-two thousand, three hundred twenty-nine".