12521607696023 has 2 divisors, whose sum is σ = 12521607696024. Its totient is φ = 12521607696022.

The previous prime is 12521607696007. The next prime is 12521607696043. The reversal of 12521607696023 is 32069670612521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12521607696023 - 2⁴ = 12521607696007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12521607696043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260803848011 + 6260803848012.

It is an arithmetic number, because the mean of its divisors is an integer number (6260803848012).

Almost surely, 2^{12521607696023} is an apocalyptic number.

12521607696023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12521607696023 is an equidigital number, since it uses as much as digits as its factorization.

12521607696023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 12521607696023 in words is "twelve trillion, five hundred twenty-one billion, six hundred seven million, six hundred ninety-six thousand, twenty-three".