12112200221122 has 8 divisors (see below), whose sum is σ = 18177081536700. Its totient is φ = 6053173042224.

The previous prime is 12112200221119. The next prime is 12112200221123. The reversal of 12112200221122 is 22112200221121.

It can be written as a sum of positive squares in 2 ways, for example, as 9786755167641 + 2325445053481 = 3128379^2 + 1524941^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12112200221122.

It is not an unprimeable number, because it can be changed into a prime (12112200221123) 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, 1463528997 + ... + 1463537272.

Almost surely, 2^{12112200221122} is an apocalyptic number.

12112200221122 is a deficient number, since it is larger than the sum of its proper divisors (6064881315578).

12112200221122 is a wasteful number, since it uses less digits than its factorization.

12112200221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927068340.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12112200221122 its reverse (22112200221121), we get a palindrome (34224400442243).

Subtracting 12112200221122 from its reverse (22112200221121), we obtain a palindrome (9999999999999).

The spelling of 12112200221122 in words is "twelve trillion, one hundred twelve billion, two hundred million, two hundred twenty-one thousand, one hundred twenty-two".