112143216 has 80 divisors (see below), whose sum is σ = 304694784. Its totient is φ = 35473152.

The previous prime is 112143197. The next prime is 112143217. The reversal of 112143216 is 612341211.

It is a super-2 number, since 2×112143216² = 25152201789645312, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 112143192 and 112143201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112143217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173005 + ... + 173651.

Almost surely, 2^112143216 is an apocalyptic number.

112143216 is a gapful number since it is divisible by the number (16) 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 112143216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152347392).

112143216 is an abundant number, since it is smaller than the sum of its proper divisors (192551568).

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

112143216 is a wasteful number, since it uses less digits than its factorization.

112143216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 832 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 112143216 is about 10589.7694025885. The cubic root of 112143216 is about 482.2338242124.

Adding to 112143216 its reverse (612341211), we get a palindrome (724484427).

The spelling of 112143216 in words is "one hundred twelve million, one hundred forty-three thousand, two hundred sixteen".