12112110110212 has 48 divisors (see below), whose sum is σ = 24635457141120. Its totient is φ = 5102786829312.

The previous prime is 12112110110209. The next prime is 12112110110249. The reversal of 12112110110212 is 21201101121121.

It is a super-2 number, since 2×12112110110212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83507178 + ... + 83652094.

It is an arithmetic number, because the mean of its divisors is an integer number (513238690440).

Almost surely, 2^{12112110110212} is an apocalyptic number.

It is an amenable number.

12112110110212 is an abundant number, since it is smaller than the sum of its proper divisors (12523347030908).

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

12112110110212 is a wasteful number, since it uses less digits than its factorization.

12112110110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195580 (or 195578 counting only the distinct ones).

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

Adding to 12112110110212 its reverse (21201101121121), we get a palindrome (33313211231333).

The spelling of 12112110110212 in words is "twelve trillion, one hundred twelve billion, one hundred ten million, one hundred ten thousand, two hundred twelve".