12339418847 has 16 divisors (see below), whose sum is σ = 14540351232. Its totient is φ = 10251783360.

The previous prime is 12339418831. The next prime is 12339418937. The reversal of 12339418847 is 74881493321.

It is not a de Polignac number, because 12339418847 - 2⁴ = 12339418831 is a prime.

It is a super-2 number, since 2×12339418847² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12339418795 and 12339418804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12339418447) 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, 117038 + ... + 195899.

It is an arithmetic number, because the mean of its divisors is an integer number (908771952).

Almost surely, 2^12339418847 is an apocalyptic number.

12339418847 is a deficient number, since it is larger than the sum of its proper divisors (2200932385).

12339418847 is a wasteful number, since it uses less digits than its factorization.

12339418847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313118.

The product of its digits is 1161216, while the sum is 50.

It can be divided in two parts, 123394 and 18847, that added together give a palindrome (142241).

The spelling of 12339418847 in words is "twelve billion, three hundred thirty-nine million, four hundred eighteen thousand, eight hundred forty-seven".