12204240320 has 112 divisors (see below), whose sum is σ = 29602419840. Its totient is φ = 4791591936.

The previous prime is 12204240253. The next prime is 12204240337. The reversal of 12204240320 is 2304240221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12204240292 and 12204240301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4327871 + ... + 4330689.

It is an arithmetic number, because the mean of its divisors is an integer number (264307320).

Almost surely, 2^12204240320 is an apocalyptic number.

12204240320 is a gapful number since it is divisible by the number (10) 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 12204240320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14801209920).

12204240320 is an abundant number, since it is smaller than the sum of its proper divisors (17398179520).

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

12204240320 is a wasteful number, since it uses less digits than its factorization.

12204240320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

12204240320 divided by its sum of digits (20) gives a palindrome (610212016).

Adding to 12204240320 its reverse (2304240221), we get a palindrome (14508480541).

Subtracting from 12204240320 its reverse (2304240221), we obtain a palindrome (9900000099).

The spelling of 12204240320 in words is "twelve billion, two hundred four million, two hundred forty thousand, three hundred twenty".