12508680497 has 2 divisors, whose sum is σ = 12508680498. Its totient is φ = 12508680496.

The previous prime is 12508680491. The next prime is 12508680551. The reversal of 12508680497 is 79408680521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12228821056 + 279859441 = 110584^2 + 16729^2 .

It is a cyclic number.

It is not a de Polignac number, because 12508680497 - 2¹⁸ = 12508418353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12508680491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6254340248 + 6254340249.

It is an arithmetic number, because the mean of its divisors is an integer number (6254340249).

Almost surely, 2^12508680497 is an apocalyptic number.

It is an amenable number.

12508680497 is a deficient number, since it is larger than the sum of its proper divisors (1).

12508680497 is an equidigital number, since it uses as much as digits as its factorization.

12508680497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 12508680497 in words is "twelve billion, five hundred eight million, six hundred eighty thousand, four hundred ninety-seven".