12512568619 has 2 divisors, whose sum is σ = 12512568620. Its totient is φ = 12512568618.

The previous prime is 12512568611. The next prime is 12512568623. The reversal of 12512568619 is 91686521521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12512568619 - 2³ = 12512568611 is a prime.

It is a super-2 number, since 2×12512568619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12512568611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256284309 + 6256284310.

It is an arithmetic number, because the mean of its divisors is an integer number (6256284310).

Almost surely, 2^12512568619 is an apocalyptic number.

12512568619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12512568619 is an equidigital number, since it uses as much as digits as its factorization.

12512568619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 46.

The spelling of 12512568619 in words is "twelve billion, five hundred twelve million, five hundred sixty-eight thousand, six hundred nineteen".