12133765924 has 72 divisors (see below), whose sum is σ = 25595243520. Its totient is φ = 5013187200.

The previous prime is 12133765907. The next prime is 12133765939. The reversal of 12133765924 is 42956733121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1642912 + ... + 1650280.

Almost surely, 2^12133765924 is an apocalyptic number.

12133765924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12133765924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12797621760).

12133765924 is an abundant number, since it is smaller than the sum of its proper divisors (13461477596).

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

12133765924 is a wasteful number, since it uses less digits than its factorization.

12133765924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689 (or 7680 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The spelling of 12133765924 in words is "twelve billion, one hundred thirty-three million, seven hundred sixty-five thousand, nine hundred twenty-four".