12546039199 has 2 divisors, whose sum is σ = 12546039200. Its totient is φ = 12546039198.

The previous prime is 12546039197. The next prime is 12546039257. The reversal of 12546039199 is 99193064521.

It is a weak prime.

It is an emirp because it is prime and its reverse (99193064521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12546039199 - 2¹ = 12546039197 is a prime.

Together with 12546039197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12546039197) 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, 6273019599 + 6273019600.

It is an arithmetic number, because the mean of its divisors is an integer number (6273019600).

Almost surely, 2^12546039199 is an apocalyptic number.

12546039199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12546039199 is an equidigital number, since it uses as much as digits as its factorization.

12546039199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 12546039199 in words is "twelve billion, five hundred forty-six million, thirty-nine thousand, one hundred ninety-nine".