12009139199 has 2 divisors, whose sum is σ = 12009139200. Its totient is φ = 12009139198.

The previous prime is 12009139193. The next prime is 12009139217. The reversal of 12009139199 is 99193190021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12009139199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12009139193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6004569599 + 6004569600.

It is an arithmetic number, because the mean of its divisors is an integer number (6004569600).

Almost surely, 2^12009139199 is an apocalyptic number.

12009139199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12009139199 is an equidigital number, since it uses as much as digits as its factorization.

12009139199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 44.

The spelling of 12009139199 in words is "twelve billion, nine million, one hundred thirty-nine thousand, one hundred ninety-nine".