12204400560 has 80 divisors (see below), whose sum is σ = 41273072640. Its totient is φ = 2958641920.

The previous prime is 12204400547. The next prime is 12204400561. The reversal of 12204400560 is 6500440221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12204400560.

It is not an unprimeable number, because it can be changed into a prime (12204400561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2308800 + ... + 2314079.

It is an arithmetic number, because the mean of its divisors is an integer number (515913408).

Almost surely, 2^12204400560 is an apocalyptic number.

12204400560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12204400560 is an abundant number, since it is smaller than the sum of its proper divisors (29068672080).

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

12204400560 is a wasteful number, since it uses less digits than its factorization.

12204400560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622906 (or 4622900 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12204400560 its reverse (6500440221), we get a palindrome (18704840781).

The spelling of 12204400560 in words is "twelve billion, two hundred four million, four hundred thousand, five hundred sixty".