12112012112 has 40 divisors (see below), whose sum is σ = 23733073992. Its totient is φ = 5987520000.

The previous prime is 12112012067. The next prime is 12112012177. The reversal of 12112012112 is 21121021121.

12112012112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8978699536 + 3133312576 = 94756^2 + 55976^2 .

It is a congruent number.

It is an unprimeable number.

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, 1218362 + ... + 1228262.

Almost surely, 2^12112012112 is an apocalyptic number.

It is an amenable number.

12112012112 is a deficient number, since it is larger than the sum of its proper divisors (11621061880).

12112012112 is a wasteful number, since it uses less digits than its factorization.

12112012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10767 (or 10761 counting only the distinct ones).

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

12112012112 divided by its product of nonzero digits (16) gives a palindrome (757000757).

Adding to 12112012112 its reverse (21121021121), we get a palindrome (33233033233).

Subtracting 12112012112 from its reverse (21121021121), we obtain a palindrome (9009009009).

The spelling of 12112012112 in words is "twelve billion, one hundred twelve million, twelve thousand, one hundred twelve".