217000112 has 40 divisors (see below), whose sum is σ = 488659200. Its totient is φ = 91420992.

The previous prime is 217000109. The next prime is 217000151. The reversal of 217000112 is 211000712.

217000112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 9812 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (12216480).

Almost surely, 2^217000112 is an apocalyptic number.

It is an amenable number.

217000112 is an abundant number, since it is smaller than the sum of its proper divisors (271659088).

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

217000112 is a wasteful number, since it uses less digits than its factorization.

217000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32913 (or 32907 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 217000112 is about 14730.9236641835. The cubic root of 217000112 is about 600.9246040766.

Adding to 217000112 its reverse (211000712), we get a palindrome (428000824).

The spelling of 217000112 in words is "two hundred seventeen million, one hundred twelve", and thus it is an aban number.