212112112 has 10 divisors (see below), whose sum is σ = 410967248. Its totient is φ = 106056048.
The previous prime is 212112091. The next prime is 212112161. The reversal of 212112112 is 211211212.
It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 212112092 and 212112101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6628488 + ... + 6628519.
Almost surely, 2212112112 is an apocalyptic number.
It is an amenable number.
212112112 is a deficient number, since it is larger than the sum of its proper divisors (198855136).
212112112 is a wasteful number, since it uses less digits than its factorization.
212112112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13257015 (or 13257009 counting only the distinct ones).
The product of its digits is 16, while the sum is 13.
The square root of 212112112 is about 14564.0692115906. The cubic root of 212112112 is about 596.3782863404.
Adding to 212112112 its reverse (211211212), we get a palindrome (423323324).
The spelling of 212112112 in words is "two hundred twelve million, one hundred twelve thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •