12500013751213 has 2 divisors, whose sum is σ = 12500013751214. Its totient is φ = 12500013751212.

The previous prime is 12500013751201. The next prime is 12500013751297. The reversal of 12500013751213 is 31215731000521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12247851094249 + 252162656964 = 3499693^2 + 502158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12500013751213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12500013751613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250006875606 + 6250006875607.

It is an arithmetic number, because the mean of its divisors is an integer number (6250006875607).

Almost surely, 2^{12500013751213} is an apocalyptic number.

It is an amenable number.

12500013751213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12500013751213 is an equidigital number, since it uses as much as digits as its factorization.

12500013751213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

Adding to 12500013751213 its reverse (31215731000521), we get a palindrome (43715744751734).

The spelling of 12500013751213 in words is "twelve trillion, five hundred billion, thirteen million, seven hundred fifty-one thousand, two hundred thirteen".