12520059169 has 2 divisors, whose sum is σ = 12520059170. Its totient is φ = 12520059168.

The previous prime is 12520059163. The next prime is 12520059229. The reversal of 12520059169 is 96195002521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9971021025 + 2549038144 = 99855^2 + 50488^2 .

It is a cyclic number.

It is not a de Polignac number, because 12520059169 - 2⁵ = 12520059137 is a prime.

It is a super-2 number, since 2×12520059169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12520059163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260029584 + 6260029585.

It is an arithmetic number, because the mean of its divisors is an integer number (6260029585).

Almost surely, 2^12520059169 is an apocalyptic number.

It is an amenable number.

12520059169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12520059169 is an equidigital number, since it uses as much as digits as its factorization.

12520059169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 12520059169 in words is "twelve billion, five hundred twenty million, fifty-nine thousand, one hundred sixty-nine".