112212144 has 60 divisors (see below), whose sum is σ = 342591912. Its totient is φ = 34003200.

The previous prime is 112212137. The next prime is 112212197. The reversal of 112212144 is 441212211.

It is a super-2 number, since 2×112212144² = 25183130522153472, which contains 22 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33837 + ... + 37004.

Almost surely, 2^112212144 is an apocalyptic number.

It is an amenable number.

112212144 is an abundant number, since it is smaller than the sum of its proper divisors (230379768).

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

112212144 is a wasteful number, since it uses less digits than its factorization.

112212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70866 (or 70857 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 112212144 is about 10593.0233644602. The cubic root of 112212144 is about 482.3326044639.

Adding to 112212144 its reverse (441212211), we get a palindrome (553424355).

The spelling of 112212144 in words is "one hundred twelve million, two hundred twelve thousand, one hundred forty-four".