12566260297 has 2 divisors, whose sum is σ = 12566260298. Its totient is φ = 12566260296.

The previous prime is 12566260249. The next prime is 12566260321. The reversal of 12566260297 is 79206266521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7826763961 + 4739496336 = 88469^2 + 68844^2 .

It is a cyclic number.

It is not a de Polignac number, because 12566260297 - 2⁷ = 12566260169 is a prime.

It is not a weakly prime, because it can be changed into another prime (12566260247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6283130148 + 6283130149.

It is an arithmetic number, because the mean of its divisors is an integer number (6283130149).

Almost surely, 2^12566260297 is an apocalyptic number.

It is an amenable number.

12566260297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12566260297 is an equidigital number, since it uses as much as digits as its factorization.

12566260297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 12566260297 in words is "twelve billion, five hundred sixty-six million, two hundred sixty thousand, two hundred ninety-seven".