12201112112 has 30 divisors (see below), whose sum is σ = 27499191948. Its totient is φ = 5229047712.

The previous prime is 12201112111. The next prime is 12201112129. The reversal of 12201112112 is 21121110221.

12201112112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12201112111) 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 5 ways as a sum of consecutive naturals, for example, 7780538 + ... + 7782105.

Almost surely, 2^12201112112 is an apocalyptic number.

It is an amenable number.

12201112112 is an abundant number, since it is smaller than the sum of its proper divisors (15298079836).

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

12201112112 is a wasteful number, since it uses less digits than its factorization.

12201112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15562665 (or 15562652 counting only the distinct ones).

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

Adding to 12201112112 its reverse (21121110221), we get a palindrome (33322222333).

The spelling of 12201112112 in words is "twelve billion, two hundred one million, one hundred twelve thousand, one hundred twelve".