12112202222222 has 8 divisors (see below), whose sum is σ = 18168418024176. Its totient is φ = 6056062880832.

The previous prime is 12112202222191. The next prime is 12112202222231. The reversal of 12112202222222 is 22222220221121.

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

12112202222222 is a modest number, since divided by 2222222 gives 1211220 as remainder.

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, 18717458 + ... + 19353749.

It is an arithmetic number, because the mean of its divisors is an integer number (2271052253022).

Almost surely, 2^{12112202222222} is an apocalyptic number.

12112202222222 is a deficient number, since it is larger than the sum of its proper divisors (6056215801954).

12112202222222 is a wasteful number, since it uses less digits than its factorization.

12112202222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38230282.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12112202222222 its reverse (22222220221121), we get a palindrome (34334422443343).

The spelling of 12112202222222 in words is "twelve trillion, one hundred twelve billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-two".