12520322597 has 2 divisors, whose sum is σ = 12520322598. Its totient is φ = 12520322596.

The previous prime is 12520322587. The next prime is 12520322623. The reversal of 12520322597 is 79522302521.

12520322597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11882962081 + 637360516 = 109009^2 + 25246^2 .

It is a cyclic number.

It is not a de Polignac number, because 12520322597 - 2⁶ = 12520322533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12520322597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12520322587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260161298 + 6260161299.

It is an arithmetic number, because the mean of its divisors is an integer number (6260161299).

Almost surely, 2^12520322597 is an apocalyptic number.

It is an amenable number.

12520322597 is a deficient number, since it is larger than the sum of its proper divisors (1).

12520322597 is an equidigital number, since it uses as much as digits as its factorization.

12520322597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 12520322597 in words is "twelve billion, five hundred twenty million, three hundred twenty-two thousand, five hundred ninety-seven".