12669983999 has 4 divisors (see below), whose sum is σ = 12673925664. Its totient is φ = 12666042336.

The previous prime is 12669983983. The next prime is 12669984007. The reversal of 12669983999 is 99938996621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12669983999 - 2⁴ = 12669983983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12669913999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966007 + ... + 1972440.

It is an arithmetic number, because the mean of its divisors is an integer number (3168481416).

Almost surely, 2^12669983999 is an apocalyptic number.

12669983999 is a deficient number, since it is larger than the sum of its proper divisors (3941665).

12669983999 is an equidigital number, since it uses as much as digits as its factorization.

12669983999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941664.

The product of its digits is 102036672, while the sum is 71.

The spelling of 12669983999 in words is "twelve billion, six hundred sixty-nine million, nine hundred eighty-three thousand, nine hundred ninety-nine".