12100102212222 has 32 divisors (see below), whose sum is σ = 28470828736800. Its totient is φ = 3796110497664.

The previous prime is 12100102212193. The next prime is 12100102212229. The reversal of 12100102212222 is 22221220100121.

It is a happy number.

12100102212222 is a `hidden beast` number, since 1 + 210 + 0 + 10 + 221 + 2 + 222 = 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 = 12100102212195 and 12100102212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100102212229) 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, 6590468697 + ... + 6590470532.

It is an arithmetic number, because the mean of its divisors is an integer number (889713398025).

Almost surely, 2^{12100102212222} is an apocalyptic number.

12100102212222 is an abundant number, since it is smaller than the sum of its proper divisors (16370726524578).

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

12100102212222 is a wasteful number, since it uses less digits than its factorization.

12100102212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180939257 (or 13180939251 counting only the distinct ones).

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

Adding to 12100102212222 its reverse (22221220100121), we get a palindrome (34321322312343).

The spelling of 12100102212222 in words is "twelve trillion, one hundred billion, one hundred two million, two hundred twelve thousand, two hundred twenty-two".