12110111212 has 48 divisors (see below), whose sum is σ = 21600391680. Its totient is φ = 5940144000.

The previous prime is 12110111173. The next prime is 12110111231. The reversal of 12110111212 is 21211101121.

It is a happy number.

12110111212 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 = 12110111192 and 12110111201.

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 15 ways as a sum of consecutive naturals, for example, 21282864 + ... + 21283432.

It is an arithmetic number, because the mean of its divisors is an integer number (450008160).

Almost surely, 2^12110111212 is an apocalyptic number.

It is an amenable number.

12110111212 is a deficient number, since it is larger than the sum of its proper divisors (9490280468).

12110111212 is a wasteful number, since it uses less digits than its factorization.

12110111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1100 counting only the distinct ones).

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

Adding to 12110111212 its reverse (21211101121), we get a palindrome (33321212333).

The spelling of 12110111212 in words is "twelve billion, one hundred ten million, one hundred eleven thousand, two hundred twelve".