12102221220030 has 48 divisors (see below), whose sum is σ = 31503731669280. Its totient is φ = 3223366017984.

The previous prime is 12102221220007. The next prime is 12102221220073. The reversal of 12102221220030 is 3002212220121.

12102221220030 is a `hidden beast` number, since 1 + 210 + 2 + 221 + 2 + 200 + 30 = 666.

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 = 12102221219985 and 12102221220012.

It is a congruent number.

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, 81028602 + ... + 81177821.

It is an arithmetic number, because the mean of its divisors is an integer number (656327743110).

Almost surely, 2^{12102221220030} is an apocalyptic number.

12102221220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102221220030 is an abundant number, since it is smaller than the sum of its proper divisors (19401510449250).

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

12102221220030 is a wasteful number, since it uses less digits than its factorization.

12102221220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162207265 (or 162207262 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12102221220030 its reverse (3002212220121), we get a palindrome (15104433440151).

The spelling of 12102221220030 in words is "twelve trillion, one hundred two billion, two hundred twenty-one million, two hundred twenty thousand, thirty".