12013320024 has 48 divisors (see below), whose sum is σ = 32592576120. Its totient is φ = 3997486080.

The previous prime is 12013320001. The next prime is 12013320029. The reversal of 12013320024 is 42002331021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12013319979 and 12013320006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013320029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103042 + ... + 186129.

Almost surely, 2^12013320024 is an apocalyptic number.

It is an amenable number.

12013320024 is an abundant number, since it is smaller than the sum of its proper divisors (20579256096).

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

12013320024 is a wasteful number, since it uses less digits than its factorization.

12013320024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289760 (or 289753 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12013320024 its reverse (42002331021), we get a palindrome (54015651045).

The spelling of 12013320024 in words is "twelve billion, thirteen million, three hundred twenty thousand, twenty-four".