12330221232 has 120 divisors (see below), whose sum is σ = 38249075712. Its totient is φ = 3409257600.

The previous prime is 12330221221. The next prime is 12330221311. The reversal of 12330221232 is 23212203321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12330221199 and 12330221208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11644 + ... + 157467.

Almost surely, 2^12330221232 is an apocalyptic number.

12330221232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12330221232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19124537856).

12330221232 is an abundant number, since it is smaller than the sum of its proper divisors (25918854480).

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

12330221232 is a wasteful number, since it uses less digits than its factorization.

12330221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169167 (or 169154 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12330221232 its reverse (23212203321), we get a palindrome (35542424553).

The spelling of 12330221232 in words is "twelve billion, three hundred thirty million, two hundred twenty-one thousand, two hundred thirty-two".