12330221020 has 48 divisors (see below), whose sum is σ = 27916414848. Its totient is φ = 4547612160.

The previous prime is 12330221017. The next prime is 12330221039. The reversal of 12330221020 is 2012203321.

It is a junction number, because it is equal to n+sod(n) for n = 12330220985 and 12330221003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210832 + ... + 262888.

It is an arithmetic number, because the mean of its divisors is an integer number (581591976).

Almost surely, 2^12330221020 is an apocalyptic number.

12330221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12330221020 is an abundant number, since it is smaller than the sum of its proper divisors (15586193828).

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

12330221020 is a wasteful number, since it uses less digits than its factorization.

12330221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52990 (or 52988 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12330221020 its reverse (2012203321), we get a palindrome (14342424341).

The spelling of 12330221020 in words is "twelve billion, three hundred thirty million, two hundred twenty-one thousand, twenty".