4512112 has 40 divisors (see below), whose sum is σ = 9856512. Its totient is φ = 1982400.

The previous prime is 4512107. The next prime is 4512127. The reversal of 4512112 is 2112154.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5043 + ... + 5869.

Almost surely, 2^4512112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4512112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4928256).

4512112 is an abundant number, since it is smaller than the sum of its proper divisors (5344400).

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

4512112 is a wasteful number, since it uses less digits than its factorization.

4512112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 871 counting only the distinct ones).

The product of its digits is 80, while the sum is 16.

The square root of 4512112 is about 2124.1732509379. The cubic root of 4512112 is about 165.2443517607.

Adding to 4512112 its reverse (2112154), we get a palindrome (6624266).

It can be divided in two parts, 4512 and 112, that added together give a square (4624 = 68²).

The spelling of 4512112 in words is "four million, five hundred twelve thousand, one hundred twelve".