12102220212210 has 32 divisors (see below), whose sum is σ = 32272587233280. Its totient is φ = 3227258723184.

The previous prime is 12102220212209. The next prime is 12102220212221. The reversal of 12102220212210 is 1221202220121.

It is a happy number.

12102220212210 is a `hidden beast` number, since 1 + 21 + 0 + 2 + 220 + 212 + 210 = 666.

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

It is a Curzon 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, 22411518642 + ... + 22411519181.

It is an arithmetic number, because the mean of its divisors is an integer number (1008518351040).

Almost surely, 2^{12102220212210} is an apocalyptic number.

12102220212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102220212210 is an abundant number, since it is smaller than the sum of its proper divisors (20170367021070).

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

12102220212210 is a wasteful number, since it uses less digits than its factorization.

12102220212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44823037839 (or 44823037833 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12102220212210 its reverse (1221202220121), we get a palindrome (13323422432331).

The spelling of 12102220212210 in words is "twelve trillion, one hundred two billion, two hundred twenty million, two hundred twelve thousand, two hundred ten".