12239933736 has 128 divisors (see below), whose sum is σ = 32617728000. Its totient is φ = 3819180288.

The previous prime is 12239933669. The next prime is 12239933753. The reversal of 12239933736 is 63733993221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8564670 + ... + 8566098.

It is an arithmetic number, because the mean of its divisors is an integer number (254826000).

Almost surely, 2^12239933736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12239933736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16308864000).

12239933736 is an abundant number, since it is smaller than the sum of its proper divisors (20377794264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12239933736 is a wasteful number, since it uses less digits than its factorization.

12239933736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783 (or 1779 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 48.

The spelling of 12239933736 in words is "twelve billion, two hundred thirty-nine million, nine hundred thirty-three thousand, seven hundred thirty-six".