12220013232 has 60 divisors (see below), whose sum is σ = 39084648720. Its totient is φ = 3491432064.

The previous prime is 12220013231. The next prime is 12220013233. The reversal of 12220013232 is 23231002221.

12220013232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12220013231) and next prime (12220013233).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12220013231) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6060507 + ... + 6062522.

It is an arithmetic number, because the mean of its divisors is an integer number (651410812).

Almost surely, 2^12220013232 is an apocalyptic number.

12220013232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220013232 is an abundant number, since it is smaller than the sum of its proper divisors (26864635488).

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

12220013232 is a wasteful number, since it uses less digits than its factorization.

12220013232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12123050 (or 12123041 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12220013232 its reverse (23231002221), we get a palindrome (35451015453).

The spelling of 12220013232 in words is "twelve billion, two hundred twenty million, thirteen thousand, two hundred thirty-two".