12321112 has 16 divisors (see below), whose sum is σ = 23172840. Its totient is φ = 6141696.

The previous prime is 12321083. The next prime is 12321121. The reversal of 12321112 is 21112321.

It is a junction number, because it is equal to n+sod(n) for n = 12321092 and 12321101.

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, 643 + ... + 5005.

Almost surely, 2^12321112 is an apocalyptic number.

It is an amenable number.

12321112 is a deficient number, since it is larger than the sum of its proper divisors (10851728).

12321112 is a wasteful number, since it uses less digits than its factorization.

12321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722 (or 4718 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 12321112 is about 3510.1441565839. The cubic root of 12321112 is about 230.9670186479.

Adding to 12321112 its reverse (21112321), we get a palindrome (33433433).

The spelling of 12321112 in words is "twelve million, three hundred twenty-one thousand, one hundred twelve".