12212102211102 has 48 divisors (see below), whose sum is σ = 26546257090080. Its totient is φ = 4057363526400.

The previous prime is 12212102211037. The next prime is 12212102211107. The reversal of 12212102211102 is 20111220121221.

12212102211102 is a `hidden beast` number, since 1 + 221 + 210 + 221 + 1 + 10 + 2 = 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 (12212102211107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106758274 + ... + 106872602.

It is an arithmetic number, because the mean of its divisors is an integer number (553047022710).

Almost surely, 2^{12212102211102} is an apocalyptic number.

12212102211102 is an abundant number, since it is smaller than the sum of its proper divisors (14334154878978).

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

12212102211102 is a wasteful number, since it uses less digits than its factorization.

12212102211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133729 (or 133726 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212102211102 its reverse (20111220121221), we get a palindrome (32323322332323).

The spelling of 12212102211102 in words is "twelve trillion, two hundred twelve billion, one hundred two million, two hundred eleven thousand, one hundred two".