12011112112 has 10 divisors (see below), whose sum is σ = 23271529748. Its totient is φ = 6005556048.

The previous prime is 12011112079. The next prime is 12011112163. The reversal of 12011112112 is 21121111021.

It is a happy number.

12011112112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12011112092 and 12011112101.

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 as a sum of consecutive naturals, namely, 375347238 + ... + 375347269.

Almost surely, 2^12011112112 is an apocalyptic number.

It is an amenable number.

12011112112 is a deficient number, since it is larger than the sum of its proper divisors (11260417636).

12011112112 is an equidigital number, since it uses as much as digits as its factorization.

12011112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750694515 (or 750694509 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011112112 its reverse (21121111021), we get a palindrome (33132223133).

The spelling of 12011112112 in words is "twelve billion, eleven million, one hundred twelve thousand, one hundred twelve".