12232013320 has 32 divisors (see below), whose sum is σ = 27555626520. Its totient is φ = 4886832640.

The previous prime is 12232013291. The next prime is 12232013329. The reversal of 12232013320 is 2331023221.

It can be written as a sum of positive squares in 4 ways, for example, as 11325642084 + 906371236 = 106422^2 + 30106^2 .

It is not an unprimeable number, because it can be changed into a prime (12232013329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153397 + ... + 219076.

Almost surely, 2^12232013320 is an apocalyptic number.

12232013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232013320 is an abundant number, since it is smaller than the sum of its proper divisors (15323613200).

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

12232013320 is a wasteful number, since it uses less digits than its factorization.

12232013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373305 (or 373301 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12232013320 its reverse (2331023221), we get a palindrome (14563036541).

Subtracting from 12232013320 its reverse (2331023221), we obtain a palindrome (9900990099).

The spelling of 12232013320 in words is "twelve billion, two hundred thirty-two million, thirteen thousand, three hundred twenty".