12943944299 has 16 divisors (see below), whose sum is σ = 15221382624. Its totient is φ = 10851686400.

The previous prime is 12943944271. The next prime is 12943944311. The reversal of 12943944299 is 99244934921.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12943944299 is a prime.

It is a super-2 number, since 2×12943944299² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12943944499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109067 + ... + 194379.

It is an arithmetic number, because the mean of its divisors is an integer number (951336414).

Almost surely, 2^12943944299 is an apocalyptic number.

12943944299 is a deficient number, since it is larger than the sum of its proper divisors (2277438325).

12943944299 is a wasteful number, since it uses less digits than its factorization.

12943944299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86398.

The product of its digits is 5038848, while the sum is 56.

The spelling of 12943944299 in words is "twelve billion, nine hundred forty-three million, nine hundred forty-four thousand, two hundred ninety-nine".