12232220232 has 64 divisors (see below), whose sum is σ = 31034793600. Its totient is φ = 4016929280.

The previous prime is 12232220183. The next prime is 12232220251. The reversal of 12232220232 is 23202223221.

It is a junction number, because it is equal to n+sod(n) for n = 12232220199 and 12232220208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3810244 + ... + 3813452.

It is an arithmetic number, because the mean of its divisors is an integer number (484918650).

Almost surely, 2^12232220232 is an apocalyptic number.

12232220232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12232220232 is an abundant number, since it is smaller than the sum of its proper divisors (18802573368).

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

12232220232 is a wasteful number, since it uses less digits than its factorization.

12232220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526 (or 5522 counting only the distinct ones).

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

Adding to 12232220232 its reverse (23202223221), we get a palindrome (35434443453).

The spelling of 12232220232 in words is "twelve billion, two hundred thirty-two million, two hundred twenty thousand, two hundred thirty-two".