12339244561 has 8 divisors (see below), whose sum is σ = 14105176704. Its totient is φ = 10574108160.

The previous prime is 12339244529. The next prime is 12339244571. The reversal of 12339244561 is 16544293321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12339244561 - 2⁵ = 12339244529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12339244571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165325 + ... + 228058.

It is an arithmetic number, because the mean of its divisors is an integer number (1763147088).

Almost surely, 2^12339244561 is an apocalyptic number.

It is an amenable number.

12339244561 is a deficient number, since it is larger than the sum of its proper divisors (1765932143).

12339244561 is an equidigital number, since it uses as much as digits as its factorization.

12339244561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397871.

The product of its digits is 155520, while the sum is 40.

The spelling of 12339244561 in words is "twelve billion, three hundred thirty-nine million, two hundred forty-four thousand, five hundred sixty-one".