12831661799 has 16 divisors (see below), whose sum is σ = 14742672000. Its totient is φ = 11045380320.

The previous prime is 12831661769. The next prime is 12831661873. The reversal of 12831661799 is 99716613821.

It is a cyclic number.

It is not a de Polignac number, because 12831661799 - 2⁸ = 12831661543 is a prime.

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 12831661799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12831661769) 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 in 15 ways as a sum of consecutive naturals, for example, 408932 + ... + 439190.

It is an arithmetic number, because the mean of its divisors is an integer number (921417000).

Almost surely, 2^12831661799 is an apocalyptic number.

12831661799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12831661799 is a deficient number, since it is larger than the sum of its proper divisors (1911010201).

12831661799 is a wasteful number, since it uses less digits than its factorization.

12831661799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32318.

The product of its digits is 979776, while the sum is 53.

The spelling of 12831661799 in words is "twelve billion, eight hundred thirty-one million, six hundred sixty-one thousand, seven hundred ninety-nine".