12223112 has 16 divisors (see below), whose sum is σ = 25002000. Its totient is φ = 5555920.

The previous prime is 12223109. The next prime is 12223139. The reversal of 12223112 is 21132221.

It is a happy 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, 69362 + ... + 69537.

It is an arithmetic number, because the mean of its divisors is an integer number (1562625).

Almost surely, 2^12223112 is an apocalyptic number.

It is an amenable number.

12223112 is an abundant number, since it is smaller than the sum of its proper divisors (12778888).

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

12223112 is a wasteful number, since it uses less digits than its factorization.

12223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138916 (or 138912 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 12223112 is about 3496.1567470581. The cubic root of 12223112 is about 230.3530306293.

Adding to 12223112 its reverse (21132221), we get a palindrome (33355333).

It can be divided in two parts, 1222 and 3112, that added together give a palindrome (4334).

The spelling of 12223112 in words is "twelve million, two hundred twenty-three thousand, one hundred twelve".