12112220222 has 8 divisors (see below), whose sum is σ = 18199283256. Its totient is φ = 6045792472.

The previous prime is 12112220191. The next prime is 12112220249. The reversal of 12112220222 is 22202221121.

It is a happy number.

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 12112220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5157353 + ... + 5159700.

It is an arithmetic number, because the mean of its divisors is an integer number (2274910407).

Almost surely, 2^12112220222 is an apocalyptic number.

12112220222 is a deficient number, since it is larger than the sum of its proper divisors (6087063034).

12112220222 is a wasteful number, since it uses less digits than its factorization.

12112220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10317642.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12112220222 its reverse (22202221121), we get a palindrome (34314441343).

The spelling of 12112220222 in words is "twelve billion, one hundred twelve million, two hundred twenty thousand, two hundred twenty-two".