12222102100212 has 48 divisors (see below), whose sum is σ = 32284798015680. Its totient is φ = 3997165464864.

The previous prime is 12222102100199. The next prime is 12222102100213. The reversal of 12222102100212 is 21200120122221.

It is a happy number.

12222102100212 is a `hidden beast` number, since 1 + 22 + 221 + 0 + 210 + 0 + 212 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222102100213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067613258 + ... + 1067624705.

It is an arithmetic number, because the mean of its divisors is an integer number (672599958660).

Almost surely, 2^{12222102100212} is an apocalyptic number.

12222102100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12222102100212 is an abundant number, since it is smaller than the sum of its proper divisors (20062695915468).

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

12222102100212 is a wasteful number, since it uses less digits than its factorization.

12222102100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135238029 (or 2135238021 counting only the distinct ones).

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

Adding to 12222102100212 its reverse (21200120122221), we get a palindrome (33422222222433).

The spelling of 12222102100212 in words is "twelve trillion, two hundred twenty-two billion, one hundred two million, one hundred thousand, two hundred twelve".