12039243113 has 4 divisors (see below), whose sum is σ = 12364628100. Its totient is φ = 11713858128.

The previous prime is 12039243067. The next prime is 12039243221. The reversal of 12039243113 is 31134293021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9909605209 + 2129637904 = 99547^2 + 46148^2 .

It is a cyclic number.

It is not a de Polignac number, because 12039243113 - 2¹⁴ = 12039226729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12039243913) 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, 162692438 + ... + 162692511.

It is an arithmetic number, because the mean of its divisors is an integer number (3091157025).

Almost surely, 2^12039243113 is an apocalyptic number.

It is an amenable number.

12039243113 is a deficient number, since it is larger than the sum of its proper divisors (325384987).

12039243113 is an equidigital number, since it uses as much as digits as its factorization.

12039243113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325384986.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 12039243113 in words is "twelve billion, thirty-nine million, two hundred forty-three thousand, one hundred thirteen".