12231112 has 32 divisors (see below), whose sum is σ = 23904000. Its totient is φ = 5860800.

The previous prime is 12231083. The next prime is 12231133. The reversal of 12231112 is 21113221.

It is a junction number, because it is equal to n+sod(n) for n = 12231092 and 12231101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36787 + ... + 37117.

It is an arithmetic number, because the mean of its divisors is an integer number (747000).

Almost surely, 2^12231112 is an apocalyptic number.

It is an amenable number.

12231112 is a deficient number, since it is larger than the sum of its proper divisors (11672888).

12231112 is a wasteful number, since it uses less digits than its factorization.

12231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 513 counting only the distinct ones).

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

The square root of 12231112 is about 3497.3006733765. The cubic root of 12231112 is about 230.4032748538.

Adding to 12231112 its reverse (21113221), we get a palindrome (33344333).

The spelling of 12231112 in words is "twelve million, two hundred thirty-one thousand, one hundred twelve".