12112200312222 has 8 divisors (see below), whose sum is σ = 24224400624456. Its totient is φ = 4037400104072.

The previous prime is 12112200312181. The next prime is 12112200312283. The reversal of 12112200312222 is 22221300221121.

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

12112200312222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009350026013 + ... + 1009350026024.

It is an arithmetic number, because the mean of its divisors is an integer number (3028050078057).

Almost surely, 2^{12112200312222} is an apocalyptic number.

12112200312222 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.

12112200312222 is a wasteful number, since it uses less digits than its factorization.

12112200312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018700052042.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12112200312222 its reverse (22221300221121), we get a palindrome (34333500533343).

The spelling of 12112200312222 in words is "twelve trillion, one hundred twelve billion, two hundred million, three hundred twelve thousand, two hundred twenty-two".