12999811763 has 4 divisors (see below), whose sum is σ = 13002532200. Its totient is φ = 12997091328.

The previous prime is 12999811757. The next prime is 12999811831. The reversal of 12999811763 is 36711899921.

12999811763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12999811763 - 2²⁶ = 12932702899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12999811699 and 12999811708.

It is not an unprimeable number, because it can be changed into a prime (12999811463) 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 3 ways as a sum of consecutive naturals, for example, 1353038 + ... + 1362611.

It is an arithmetic number, because the mean of its divisors is an integer number (3250633050).

Almost surely, 2^12999811763 is an apocalyptic number.

12999811763 is a deficient number, since it is larger than the sum of its proper divisors (2720437).

12999811763 is an equidigital number, since it uses as much as digits as its factorization.

12999811763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720436.

The product of its digits is 1469664, while the sum is 56.

The spelling of 12999811763 in words is "twelve billion, nine hundred ninety-nine million, eight hundred eleven thousand, seven hundred sixty-three".