12597850019 has 2 divisors, whose sum is σ = 12597850020. Its totient is φ = 12597850018.

The previous prime is 12597849989. The next prime is 12597850033. The reversal of 12597850019 is 91005879521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12597850019 - 2¹⁶ = 12597784483 is a prime.

It is a super-2 number, since 2×12597850019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12597850219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6298925009 + 6298925010.

It is an arithmetic number, because the mean of its divisors is an integer number (6298925010).

Almost surely, 2^12597850019 is an apocalyptic number.

12597850019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12597850019 is an equidigital number, since it uses as much as digits as its factorization.

12597850019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 47.

The spelling of 12597850019 in words is "twelve billion, five hundred ninety-seven million, eight hundred fifty thousand, nineteen".