12112112210222 has 16 divisors (see below), whose sum is σ = 18250590961152. Its totient is φ = 6028615582680.

The previous prime is 12112112210207. The next prime is 12112112210239. The reversal of 12112112210222 is 22201221121121.

It is a junction number, because it is equal to n+sod(n) for n = 12112112210194 and 12112112210203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7703354 + ... + 9141437.

It is an arithmetic number, because the mean of its divisors is an integer number (1140661935072).

Almost surely, 2^{12112112210222} is an apocalyptic number.

12112112210222 is a deficient number, since it is larger than the sum of its proper divisors (6138478750930).

12112112210222 is a wasteful number, since it uses less digits than its factorization.

12112112210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16846423.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12112112210222 its reverse (22201221121121), we get a palindrome (34313333331343).

The spelling of 12112112210222 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-two".