12413771600521 has 2 divisors, whose sum is σ = 12413771600522. Its totient is φ = 12413771600520.

The previous prime is 12413771600453. The next prime is 12413771600539. The reversal of 12413771600521 is 12500617731421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11810253926025 + 603517674496 = 3436605^2 + 776864^2 .

It is an emirp because it is prime and its reverse (12500617731421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12413771600521 - 2²⁷ = 12413637382793 is a prime.

It is not a weakly prime, because it can be changed into another prime (12413771609521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206885800260 + 6206885800261.

It is an arithmetic number, because the mean of its divisors is an integer number (6206885800261).

Almost surely, 2^{12413771600521} is an apocalyptic number.

It is an amenable number.

12413771600521 is a deficient number, since it is larger than the sum of its proper divisors (1).

12413771600521 is an equidigital number, since it uses as much as digits as its factorization.

12413771600521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 12413771600521 in words is "twelve trillion, four hundred thirteen billion, seven hundred seventy-one million, six hundred thousand, five hundred twenty-one".