12013244224 has 28 divisors (see below), whose sum is σ = 23866075204. Its totient is φ = 5999745024.

The previous prime is 12013244213. The next prime is 12013244261. The reversal of 12013244224 is 42244231021.

It can be written as a sum of positive squares in 2 ways, for example, as 10520194624 + 1493049600 = 102568^2 + 38640^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50889 + ... + 163144.

Almost surely, 2^12013244224 is an apocalyptic number.

It is an amenable number.

12013244224 is a deficient number, since it is larger than the sum of its proper divisors (11852830980).

12013244224 is an equidigital number, since it uses as much as digits as its factorization.

12013244224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214922 (or 214912 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12013244224 its reverse (42244231021), we get a palindrome (54257475245).

The spelling of 12013244224 in words is "twelve billion, thirteen million, two hundred forty-four thousand, two hundred twenty-four".