12332221220 has 48 divisors (see below), whose sum is σ = 28259582400. Its totient is φ = 4483240320.

The previous prime is 12332221219. The next prime is 12332221283. The reversal of 12332221220 is 2212223321.

It is a happy number.

12332221220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12332221192 and 12332221201.

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, 1487246 + ... + 1495514.

It is an arithmetic number, because the mean of its divisors is an integer number (588741300).

Almost surely, 2^12332221220 is an apocalyptic number.

12332221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12332221220 is an abundant number, since it is smaller than the sum of its proper divisors (15927361180).

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

12332221220 is a wasteful number, since it uses less digits than its factorization.

12332221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15068 (or 15066 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12332221220 its reverse (2212223321), we get a palindrome (14544444541).

The spelling of 12332221220 in words is "twelve billion, three hundred thirty-two million, two hundred twenty-one thousand, two hundred twenty".