12112200313221 has 16 divisors (see below), whose sum is σ = 16543037426688. Its totient is φ = 7879119798000.

The previous prime is 12112200313217. The next prime is 12112200313249. The reversal of 12112200313221 is 12231300221121.

It is not a de Polignac number, because 12112200313221 - 2² = 12112200313217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112200313201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129714855 + ... + 129808196.

It is an arithmetic number, because the mean of its divisors is an integer number (1033939839168).

Almost surely, 2^{12112200313221} is an apocalyptic number.

It is an amenable number.

12112200313221 is a deficient number, since it is larger than the sum of its proper divisors (4430837113467).

12112200313221 is a wasteful number, since it uses less digits than its factorization.

12112200313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259523432.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12112200313221 its reverse (12231300221121), we get a palindrome (24343500534342).

The spelling of 12112200313221 in words is "twelve trillion, one hundred twelve billion, two hundred million, three hundred thirteen thousand, two hundred twenty-one".