12520419259 has 2 divisors, whose sum is σ = 12520419260. Its totient is φ = 12520419258.

The previous prime is 12520419251. The next prime is 12520419269. The reversal of 12520419259 is 95291402521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12520419259 - 2³ = 12520419251 is a prime.

It is a super-2 number, since 2×12520419259² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12520419251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260209629 + 6260209630.

It is an arithmetic number, because the mean of its divisors is an integer number (6260209630).

Almost surely, 2^12520419259 is an apocalyptic number.

12520419259 is a deficient number, since it is larger than the sum of its proper divisors (1).

12520419259 is an equidigital number, since it uses as much as digits as its factorization.

12520419259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 12520419259 in words is "twelve billion, five hundred twenty million, four hundred nineteen thousand, two hundred fifty-nine".