12513263750381 has 2 divisors, whose sum is σ = 12513263750382. Its totient is φ = 12513263750380.

The previous prime is 12513263750371. The next prime is 12513263750419. The reversal of 12513263750381 is 18305736231521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7262135677225 + 5251128073156 = 2694835^2 + 2291534^2 .

It is a cyclic number.

It is not a de Polignac number, because 12513263750381 - 2³⁰ = 12512190008557 is a prime.

It is a super-2 number, since 2×12513263750381² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12513263750371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256631875190 + 6256631875191.

It is an arithmetic number, because the mean of its divisors is an integer number (6256631875191).

Almost surely, 2^{12513263750381} is an apocalyptic number.

It is an amenable number.

12513263750381 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513263750381 is an equidigital number, since it uses as much as digits as its factorization.

12513263750381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 12513263750381 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty thousand, three hundred eighty-one".