12999854626633 has 4 divisors (see below), whose sum is σ = 14856976716160. Its totient is φ = 11142732537108.

The previous prime is 12999854626529. The next prime is 12999854626639. The reversal of 12999854626633 is 33662645899921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12999854626633 - 2²⁵ = 12999821072201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12999854626639) 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, 928561044753 + ... + 928561044766.

It is an arithmetic number, because the mean of its divisors is an integer number (3714244179040).

Almost surely, 2^{12999854626633} is an apocalyptic number.

It is an amenable number.

12999854626633 is a deficient number, since it is larger than the sum of its proper divisors (1857122089527).

12999854626633 is an equidigital number, since it uses as much as digits as its factorization.

12999854626633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857122089526.

The product of its digits is 906992640, while the sum is 73.

The spelling of 12999854626633 in words is "twelve trillion, nine hundred ninety-nine billion, eight hundred fifty-four million, six hundred twenty-six thousand, six hundred thirty-three".