12022112 has 24 divisors (see below), whose sum is σ = 24221736. Its totient is φ = 5870592.

The previous prime is 12022103. The next prime is 12022133. The reversal of 12022112 is 21122021.

It is a happy number.

12022112 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 = 12022093 and 12022102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2993 + ... + 5744.

It is an arithmetic number, because the mean of its divisors is an integer number (1009239).

Almost surely, 2^12022112 is an apocalyptic number.

It is an amenable number.

12022112 is an abundant number, since it is smaller than the sum of its proper divisors (12199624).

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

12022112 is an equidigital number, since it uses as much as digits as its factorization.

12022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8790 (or 8782 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12022112 is about 3467.2917385187. The cubic root of 12022112 is about 229.0833840111.

Adding to 12022112 its reverse (21122021), we get a palindrome (33144133).

Subtracting 12022112 from its reverse (21122021), we obtain a palindrome (9099909).

The spelling of 12022112 in words is "twelve million, twenty-two thousand, one hundred twelve".