12330221022 has 48 divisors (see below), whose sum is σ = 30540767712. Its totient is φ = 3521905920.

The previous prime is 12330221017. The next prime is 12330221039. The reversal of 12330221022 is 22012203321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12330220986 and 12330221004.

It is a congruent 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, 499122 + ... + 523242.

It is an arithmetic number, because the mean of its divisors is an integer number (636265994).

Almost surely, 2^12330221022 is an apocalyptic number.

12330221022 is an abundant number, since it is smaller than the sum of its proper divisors (18210546690).

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

12330221022 is a wasteful number, since it uses less digits than its factorization.

12330221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28193 (or 28190 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12330221022 its reverse (22012203321), we get a palindrome (34342424343).

The spelling of 12330221022 in words is "twelve billion, three hundred thirty million, two hundred twenty-one thousand, twenty-two".