12100222212222 has 8 divisors (see below), whose sum is σ = 24200444424456. Its totient is φ = 4033407404072.

The previous prime is 12100222212167. The next prime is 12100222212227. The reversal of 12100222212222 is 22221222200121.

It is a sphenic number, since it is the product of 3 distinct primes.

12100222212222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100222212227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008351851013 + ... + 1008351851024.

It is an arithmetic number, because the mean of its divisors is an integer number (3025055553057).

Almost surely, 2^{12100222212222} is an apocalyptic number.

12100222212222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12100222212222 is a wasteful number, since it uses less digits than its factorization.

12100222212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016703702042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12100222212222 its reverse (22221222200121), we get a palindrome (34321444412343).

The spelling of 12100222212222 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twenty-two".