12112111201222 has 8 divisors (see below), whose sum is σ = 18337962753576. Its totient is φ = 5999456950032.

The previous prime is 12112111201217. The next prime is 12112111201243. The reversal of 12112111201222 is 22210211121121.

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 12112111201222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28299325023 + ... + 28299325450.

It is an arithmetic number, because the mean of its divisors is an integer number (2292245344197).

Almost surely, 2^{12112111201222} is an apocalyptic number.

12112111201222 is a deficient number, since it is larger than the sum of its proper divisors (6225851552354).

12112111201222 is a wasteful number, since it uses less digits than its factorization.

12112111201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56598650582.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12112111201222 its reverse (22210211121121), we get a palindrome (34322322322343).

The spelling of 12112111201222 in words is "twelve trillion, one hundred twelve billion, one hundred eleven million, two hundred one thousand, two hundred twenty-two".