12404334220 has 24 divisors (see below), whose sum is σ = 26158104000. Its totient is φ = 4940971392.

The previous prime is 12404334157. The next prime is 12404334233. The reversal of 12404334220 is 2243340421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292745 + ... + 1302304.

It is an arithmetic number, because the mean of its divisors is an integer number (1089921000).

Almost surely, 2^12404334220 is an apocalyptic number.

12404334220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12404334220 is an abundant number, since it is smaller than the sum of its proper divisors (13753769780).

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

12404334220 is a wasteful number, since it uses less digits than its factorization.

12404334220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595297 (or 2595295 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12404334220 its reverse (2243340421), we get a palindrome (14647674641).

The spelling of 12404334220 in words is "twelve billion, four hundred four million, three hundred thirty-four thousand, two hundred twenty".