12100112212222 has 16 divisors (see below), whose sum is σ = 18986536289952. Its totient is φ = 5772578732800.

The previous prime is 12100112212169. The next prime is 12100112212229. The reversal of 12100112212222 is 22221221100121.

12100112212222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12100112212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100112212229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327968983 + ... + 328005874.

It is an arithmetic number, because the mean of its divisors is an integer number (1186658518122).

Almost surely, 2^{12100112212222} is an apocalyptic number.

12100112212222 is a deficient number, since it is larger than the sum of its proper divisors (6886424077730).

12100112212222 is a wasteful number, since it uses less digits than its factorization.

12100112212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655975283.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12100112212222 its reverse (22221221100121), we get a palindrome (34321333312343).

The spelling of 12100112212222 in words is "twelve trillion, one hundred billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-two".