12112200321 has 32 divisors (see below), whose sum is σ = 17700117120. Its totient is φ = 7321881600.

The previous prime is 12112200319. The next prime is 12112200337. The reversal of 12112200321 is 12300221121.

It is not a de Polignac number, because 12112200321 - 2¹ = 12112200319 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12112200321.

It is not an unprimeable number, because it can be changed into a prime (12112200301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2093010 + ... + 2098788.

It is an arithmetic number, because the mean of its divisors is an integer number (553128660).

Almost surely, 2^12112200321 is an apocalyptic number.

It is an amenable number.

12112200321 is a deficient number, since it is larger than the sum of its proper divisors (5587916799).

12112200321 is a wasteful number, since it uses less digits than its factorization.

12112200321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12112200321 its reverse (12300221121), we get a palindrome (24412421442).

The spelling of 12112200321 in words is "twelve billion, one hundred twelve million, two hundred thousand, three hundred twenty-one".