12224111112 has 112 divisors (see below), whose sum is σ = 34422679680. Its totient is φ = 4067820000.

The previous prime is 12224111071. The next prime is 12224111129. The reversal of 12224111112 is 21111142221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4378437 + ... + 4381227.

Almost surely, 2^12224111112 is an apocalyptic number.

12224111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12224111112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17211339840).

12224111112 is an abundant number, since it is smaller than the sum of its proper divisors (22198568568).

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

12224111112 is an equidigital number, since it uses as much as digits as its factorization.

12224111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566 (or 3547 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

Adding to 12224111112 its reverse (21111142221), we get a palindrome (33335253333).

The spelling of 12224111112 in words is "twelve billion, two hundred twenty-four million, one hundred eleven thousand, one hundred twelve".