12321440339 has 12 divisors (see below), whose sum is σ = 13374847800. Its totient is φ = 11345765184.

The previous prime is 12321440311. The next prime is 12321440363. The reversal of 12321440339 is 93304412321.

12321440339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12321440339 - 2²⁸ = 12053004883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321440939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20009 + ... + 158250.

It is an arithmetic number, because the mean of its divisors is an integer number (1114570650).

Almost surely, 2^12321440339 is an apocalyptic number.

12321440339 is a deficient number, since it is larger than the sum of its proper divisors (1053407461).

12321440339 is a wasteful number, since it uses less digits than its factorization.

12321440339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178694 (or 178681 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 12321440339 in words is "twelve billion, three hundred twenty-one million, four hundred forty thousand, three hundred thirty-nine".