12282112 has 18 divisors (see below), whose sum is σ = 24516758. Its totient is φ = 6140928.

The previous prime is 12282103. The next prime is 12282119. The reversal of 12282112 is 21128221.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 4096 = 3504^2 + 64^2 .

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12282112.

It is not an unprimeable number, because it can be changed into a prime (12282119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23733 + ... + 24244.

Almost surely, 2^12282112 is an apocalyptic number.

It is an amenable number.

12282112 is a deficient number, since it is larger than the sum of its proper divisors (12234646).

12282112 is an frugal number, since it uses more digits than its factorization.

12282112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47993 (or 47979 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 12282112 is about 3504.5844261481. The cubic root of 12282112 is about 230.7230678716.

The spelling of 12282112 in words is "twelve million, two hundred eighty-two thousand, one hundred twelve".