12112102222 has 8 divisors (see below), whose sum is σ = 19819803672. Its totient is φ = 5505501000.

The previous prime is 12112102187. The next prime is 12112102231. The reversal of 12112102222 is 22220121121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12112102196 and 12112102205.

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, 275275029 + ... + 275275072.

It is an arithmetic number, because the mean of its divisors is an integer number (2477475459).

Almost surely, 2^12112102222 is an apocalyptic number.

12112102222 is a deficient number, since it is larger than the sum of its proper divisors (7707701450).

12112102222 is a wasteful number, since it uses less digits than its factorization.

12112102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550550114.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12112102222 its reverse (22220121121), we get a palindrome (34332223343).

The spelling of 12112102222 in words is "twelve billion, one hundred twelve million, one hundred two thousand, two hundred twenty-two".