12330330220 has 72 divisors (see below), whose sum is σ = 28423268496. Its totient is φ = 4466572032.

The previous prime is 12330330157. The next prime is 12330330239. The reversal of 12330330220 is 2203303321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 721899 + ... + 738781.

It is an arithmetic number, because the mean of its divisors is an integer number (394767618).

Almost surely, 2^12330330220 is an apocalyptic number.

12330330220 is a gapful number since it is divisible by the number (10) 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 12330330220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14211634248).

12330330220 is an abundant number, since it is smaller than the sum of its proper divisors (16092938276).

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

12330330220 is a wasteful number, since it uses less digits than its factorization.

12330330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17011 (or 16956 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 12330330220 its reverse (2203303321), we get a palindrome (14533633541).

The spelling of 12330330220 in words is "twelve billion, three hundred thirty million, three hundred thirty thousand, two hundred twenty".