12667510899 has 6 divisors (see below), whose sum is σ = 18297515756. Its totient is φ = 8445007260.

The previous prime is 12667510837. The next prime is 12667510901. The reversal of 12667510899 is 99801576621.

12667510899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12667510899 - 2⁸ = 12667510643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12667510699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 703750597 + ... + 703750614.

Almost surely, 2^12667510899 is an apocalyptic number.

12667510899 is a deficient number, since it is larger than the sum of its proper divisors (5630004857).

12667510899 is a wasteful number, since it uses less digits than its factorization.

12667510899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407501217 (or 1407501214 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 12667510899 in words is "twelve billion, six hundred sixty-seven million, five hundred ten thousand, eight hundred ninety-nine".