12666067199 has 2 divisors, whose sum is σ = 12666067200. Its totient is φ = 12666067198.

The previous prime is 12666067157. The next prime is 12666067247. The reversal of 12666067199 is 99176066621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12666067199 - 2¹² = 12666063103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12666067199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12666063199) 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, 6333033599 + 6333033600.

It is an arithmetic number, because the mean of its divisors is an integer number (6333033600).

Almost surely, 2^12666067199 is an apocalyptic number.

12666067199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12666067199 is an equidigital number, since it uses as much as digits as its factorization.

12666067199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 12666067199 in words is "twelve billion, six hundred sixty-six million, sixty-seven thousand, one hundred ninety-nine".