12943012113 has 10 divisors (see below), whose sum is σ = 19334623154. Its totient is φ = 8628674688.

The previous prime is 12943012091. The next prime is 12943012123. The reversal of 12943012113 is 31121034921.

12943012113 is a `hidden beast` number, since 12 + 9 + 430 + 1 + 211 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11599936209 + 1343075904 = 107703^2 + 36648^2 .

It is not a de Polignac number, because 12943012113 - 2⁵ = 12943012081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12943012123) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79895056 + ... + 79895217.

Almost surely, 2^12943012113 is an apocalyptic number.

It is an amenable number.

12943012113 is a deficient number, since it is larger than the sum of its proper divisors (6391611041).

12943012113 is an equidigital number, since it uses as much as digits as its factorization.

12943012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159790285 (or 159790276 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 12943012113 in words is "twelve billion, nine hundred forty-three million, twelve thousand, one hundred thirteen".