12112220002112 has 28 divisors (see below), whose sum is σ = 25449021072900. Its totient is φ = 5699868235776.

The previous prime is 12112220002109. The next prime is 12112220002117. The reversal of 12112220002112 is 21120002221121.

It can be written as a sum of positive squares in 2 ways, for example, as 11349783675136 + 762436326976 = 3368944^2 + 873176^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112220002117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566276487 + ... + 5566278662.

Almost surely, 2^{12112220002112} is an apocalyptic number.

It is an amenable number.

12112220002112 is an abundant number, since it is smaller than the sum of its proper divisors (13336801070788).

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

12112220002112 is a wasteful number, since it uses less digits than its factorization.

12112220002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132555178 (or 11132555168 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12112220002112 its reverse (21120002221121), we get a palindrome (33232222223233).

The spelling of 12112220002112 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, two thousand, one hundred twelve".