12317166397 has 2 divisors, whose sum is σ = 12317166398. Its totient is φ = 12317166396.

The previous prime is 12317166377. The next prime is 12317166469. The reversal of 12317166397 is 79366171321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6675053401 + 5642112996 = 81701^2 + 75114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12317166397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12317166307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6158583198 + 6158583199.

It is an arithmetic number, because the mean of its divisors is an integer number (6158583199).

Almost surely, 2^12317166397 is an apocalyptic number.

It is an amenable number.

12317166397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12317166397 is an equidigital number, since it uses as much as digits as its factorization.

12317166397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The spelling of 12317166397 in words is "twelve billion, three hundred seventeen million, one hundred sixty-six thousand, three hundred ninety-seven".