12232403220 has 24 divisors (see below), whose sum is σ = 34250729184. Its totient is φ = 3261974176.

The previous prime is 12232403201. The next prime is 12232403251. The reversal of 12232403220 is 2230423221.

It is a congruent 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, 101936634 + ... + 101936753.

It is an arithmetic number, because the mean of its divisors is an integer number (1427113716).

Almost surely, 2^12232403220 is an apocalyptic number.

12232403220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232403220 is an abundant number, since it is smaller than the sum of its proper divisors (22018325964).

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

12232403220 is a wasteful number, since it uses less digits than its factorization.

12232403220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203873399 (or 203873397 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12232403220 its reverse (2230423221), we get a palindrome (14462826441).

The spelling of 12232403220 in words is "twelve billion, two hundred thirty-two million, four hundred three thousand, two hundred twenty".