12456504199 has 2 divisors, whose sum is σ = 12456504200. Its totient is φ = 12456504198.

The previous prime is 12456504167. The next prime is 12456504209. The reversal of 12456504199 is 99140565421.

It is a strong prime.

It is an emirp because it is prime and its reverse (99140565421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12456504199 - 2⁵ = 12456504167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12456501199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6228252099 + 6228252100.

It is an arithmetic number, because the mean of its divisors is an integer number (6228252100).

Almost surely, 2^12456504199 is an apocalyptic number.

12456504199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12456504199 is an equidigital number, since it uses as much as digits as its factorization.

12456504199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 12456504199 in words is "twelve billion, four hundred fifty-six million, five hundred four thousand, one hundred ninety-nine".