12112120112 has 40 divisors (see below), whose sum is σ = 24446590080. Its totient is φ = 5806909440.

The previous prime is 12112120109. The next prime is 12112120121. The reversal of 12112120112 is 21102121121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57953 + ... + 166080.

It is an arithmetic number, because the mean of its divisors is an integer number (611164752).

Almost surely, 2^12112120112 is an apocalyptic number.

It is an amenable number.

12112120112 is an abundant number, since it is smaller than the sum of its proper divisors (12334469968).

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

12112120112 is a wasteful number, since it uses less digits than its factorization.

12112120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224181 (or 224175 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12112120112 its reverse (21102121121), we get a palindrome (33214241233).

The spelling of 12112120112 in words is "twelve billion, one hundred twelve million, one hundred twenty thousand, one hundred twelve".