219212 has 12 divisors (see below), whose sum is σ = 438480. Its totient is φ = 93936.

The previous prime is 219187. The next prime is 219217. The reversal of 219212 is 212912.

219212 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (219217) by changing a digit.

219212 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, 3887 + ... + 3942.

It is an arithmetic number, because the mean of its divisors is an integer number (36540).

2²¹⁹²¹² is an apocalyptic number.

It is an amenable number.

219212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

219212 is a wasteful number, since it uses less digits than its factorization.

219212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840 (or 7838 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 219212 is about 468.2008116183. The cubic root of 219212 is about 60.2959452806.

The spelling of 219212 in words is "two hundred nineteen thousand, two hundred twelve".