12601566025073 has 2 divisors, whose sum is σ = 12601566025074. Its totient is φ = 12601566025072.

The previous prime is 12601566025003. The next prime is 12601566025093. The reversal of 12601566025073 is 37052066510621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12457278483169 + 144287541904 = 3529487^2 + 379852^2 .

It is a cyclic number.

It is not a de Polignac number, because 12601566025073 - 2²² = 12601561830769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12601566025003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6300783012536 + 6300783012537.

It is an arithmetic number, because the mean of its divisors is an integer number (6300783012537).

Almost surely, 2^{12601566025073} is an apocalyptic number.

It is an amenable number.

12601566025073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12601566025073 is an equidigital number, since it uses as much as digits as its factorization.

12601566025073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 12601566025073 in words is "twelve trillion, six hundred one billion, five hundred sixty-six million, twenty-five thousand, seventy-three".