12112220110012 has 96 divisors (see below), whose sum is σ = 24599221032960. Its totient is φ = 5160591000000.

The previous prime is 12112220109991. The next prime is 12112220110013. The reversal of 12112220110012 is 21001102221121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112220110013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31494103 + ... + 31876369.

It is an arithmetic number, because the mean of its divisors is an integer number (256241885760).

Almost surely, 2^{12112220110012} is an apocalyptic number.

It is an amenable number.

12112220110012 is an abundant number, since it is smaller than the sum of its proper divisors (12487000922948).

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

12112220110012 is a wasteful number, since it uses less digits than its factorization.

12112220110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382703 (or 382701 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12112220110012 its reverse (21001102221121), we get a palindrome (33113322331133).

The spelling of 12112220110012 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, one hundred ten thousand, twelve".