12112200221001 has 32 divisors (see below), whose sum is σ = 16564217400192. Its totient is φ = 7868399616000.

The previous prime is 12112200220993. The next prime is 12112200221003. The reversal of 12112200221001 is 10012200221121.

It is not a de Polignac number, because 12112200221001 - 2³ = 12112200220993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12112200221003) 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, 100039501 + ... + 100160501.

It is an arithmetic number, because the mean of its divisors is an integer number (517631793756).

Almost surely, 2^{12112200221001} is an apocalyptic number.

It is an amenable number.

12112200221001 is a deficient number, since it is larger than the sum of its proper divisors (4452017179191).

12112200221001 is a wasteful number, since it uses less digits than its factorization.

12112200221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122873.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12112200221001 its reverse (10012200221121), we get a palindrome (22124400442122).

The spelling of 12112200221001 in words is "twelve trillion, one hundred twelve billion, two hundred million, two hundred twenty-one thousand, one".