212018 has 8 divisors (see below), whose sum is σ = 320112. Its totient is φ = 105316.

The previous prime is 211997. The next prime is 212029. The reversal of 212018 is 810212.

212018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211993 and 212011.

It is an unprimeable number.

212018 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221 + ... + 687.

It is an arithmetic number, because the mean of its divisors is an integer number (40014).

2²¹²⁰¹⁸ is an apocalyptic number.

212018 is a deficient number, since it is larger than the sum of its proper divisors (108094).

212018 is a wasteful number, since it uses less digits than its factorization.

212018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 212018 is about 460.4541236649. The cubic root of 212018 is about 59.6290070953.

The spelling of 212018 in words is "two hundred twelve thousand, eighteen".