12243232320 has 112 divisors (see below), whose sum is σ = 42406141248. Its totient is φ = 2968053760.

The previous prime is 12243232291. The next prime is 12243232321. The reversal of 12243232320 is 2323234221.

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

It is not an unprimeable number, because it can be changed into a prime (12243232321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569139 + ... + 590258.

Almost surely, 2^12243232320 is an apocalyptic number.

12243232320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12243232320 is an abundant number, since it is smaller than the sum of its proper divisors (30162908928).

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

12243232320 is a wasteful number, since it uses less digits than its factorization.

12243232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159428 (or 1159418 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12243232320 its reverse (2323234221), we get a palindrome (14566466541).

The spelling of 12243232320 in words is "twelve billion, two hundred forty-three million, two hundred thirty-two thousand, three hundred twenty".