12570063251257 has 2 divisors, whose sum is σ = 12570063251258. Its totient is φ = 12570063251256.

The previous prime is 12570063251237. The next prime is 12570063251269. The reversal of 12570063251257 is 75215236007521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9085498094656 + 3484565156601 = 3014216^2 + 1866699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12570063251257 is a prime.

It is not a weakly prime, because it can be changed into another prime (12570063251237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285031625628 + 6285031625629.

It is an arithmetic number, because the mean of its divisors is an integer number (6285031625629).

Almost surely, 2^{12570063251257} is an apocalyptic number.

It is an amenable number.

12570063251257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12570063251257 is an equidigital number, since it uses as much as digits as its factorization.

12570063251257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882000, while the sum is 46.

Adding to 12570063251257 its reverse (75215236007521), we get a palindrome (87785299258778).

The spelling of 12570063251257 in words is "twelve trillion, five hundred seventy billion, sixty-three million, two hundred fifty-one thousand, two hundred fifty-seven".