12112101202112 has 56 divisors (see below), whose sum is σ = 25613564760576. Its totient is φ = 5669494147328.

The previous prime is 12112101202111. The next prime is 12112101202129. The reversal of 12112101202112 is 21120210121121.

It is not an unprimeable number, because it can be changed into a prime (12112101202111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87466238 + ... + 87604605.

Almost surely, 2^{12112101202112} is an apocalyptic number.

It is an amenable number.

12112101202112 is an abundant number, since it is smaller than the sum of its proper divisors (13501463558464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112101202112 is a wasteful number, since it uses less digits than its factorization.

12112101202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175070925 (or 175070915 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12112101202112 its reverse (21120210121121), we get a palindrome (33232311323233).

The spelling of 12112101202112 in words is "twelve trillion, one hundred twelve billion, one hundred one million, two hundred two thousand, one hundred twelve".