12230332220 has 12 divisors (see below), whose sum is σ = 25683697704. Its totient is φ = 4892132880.

The previous prime is 12230332201. The next prime is 12230332229. The reversal of 12230332220 is 2223303221.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 611516611 = 12230332220 / (1 + 2 + 2 + 3 + 0 + 3 + 3 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 12230332192 and 12230332201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230332229) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 305758286 + ... + 305758325.

It is an arithmetic number, because the mean of its divisors is an integer number (2140308142).

Almost surely, 2^12230332220 is an apocalyptic number.

12230332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230332220 is an abundant number, since it is smaller than the sum of its proper divisors (13453365484).

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

12230332220 is a wasteful number, since it uses less digits than its factorization.

12230332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611516620 (or 611516618 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12230332220 its reverse (2223303221), we get a palindrome (14453635441).

The spelling of 12230332220 in words is "twelve billion, two hundred thirty million, three hundred thirty-two thousand, two hundred twenty".