12112203108 has 24 divisors (see below), whose sum is σ = 28951120800. Its totient is φ = 3938927680.

The previous prime is 12112203107. The next prime is 12112203109. The reversal of 12112203108 is 80130221121.

12112203108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12112203107) and next prime (12112203109).

It is not an unprimeable number, because it can be changed into a prime (12112203101) 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, 12308658 + ... + 12309641.

It is an arithmetic number, because the mean of its divisors is an integer number (1206296700).

Almost surely, 2^12112203108 is an apocalyptic number.

It is an amenable number.

12112203108 is an abundant number, since it is smaller than the sum of its proper divisors (16838917692).

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

12112203108 is a wasteful number, since it uses less digits than its factorization.

12112203108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24618347 (or 24618345 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 12112203108 its reverse (80130221121), we get a palindrome (92242424229).

The spelling of 12112203108 in words is "twelve billion, one hundred twelve million, two hundred three thousand, one hundred eight".