12663872099 has 8 divisors (see below), whose sum is σ = 12907209600. Its totient is φ = 12420697536.

The previous prime is 12663872069. The next prime is 12663872113. The reversal of 12663872099 is 99027836621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12663872099 - 2¹² = 12663868003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12663872099.

It is not an unprimeable number, because it can be changed into a prime (12663872069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122414 + ... + 200780.

It is an arithmetic number, because the mean of its divisors is an integer number (1613401200).

Almost surely, 2^12663872099 is an apocalyptic number.

12663872099 is a deficient number, since it is larger than the sum of its proper divisors (243337501).

12663872099 is an equidigital number, since it uses as much as digits as its factorization.

12663872099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81469.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 12663872099 in words is "twelve billion, six hundred sixty-three million, eight hundred seventy-two thousand, ninety-nine".