12232322220 has 48 divisors (see below), whose sum is σ = 34367447520. Its totient is φ = 3250814976.

The previous prime is 12232322213. The next prime is 12232322251. The reversal of 12232322220 is 2222323221.

12232322220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330325 + ... + 365484.

It is an arithmetic number, because the mean of its divisors is an integer number (715988490).

Almost surely, 2^12232322220 is an apocalyptic number.

12232322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232322220 is an abundant number, since it is smaller than the sum of its proper divisors (22135125300).

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

12232322220 is a wasteful number, since it uses less digits than its factorization.

12232322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696114 (or 696112 counting only the distinct ones).

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

Adding to 12232322220 its reverse (2222323221), we get a palindrome (14454645441).

The spelling of 12232322220 in words is "twelve billion, two hundred thirty-two million, three hundred twenty-two thousand, two hundred twenty".