212382 has 48 divisors (see below), whose sum is σ = 524160. Its totient is φ = 64152.

The previous prime is 212369. The next prime is 212383. The reversal of 212382 is 283212.

It is a happy number.

212382 is nontrivially palindromic in base 8.

It is a super-2 number, since 2×212382² = 90212227848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212383) by changing a digit.

212382 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 23 ways as a sum of consecutive naturals, for example, 9223 + ... + 9245.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2²¹²³⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262080).

212382 is an abundant number, since it is smaller than the sum of its proper divisors (311778).

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

212382 is a wasteful number, since it uses less digits than its factorization.

212382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 47 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 212382 is about 460.8492161217. The cubic root of 212382 is about 59.6631119813.

Adding to 212382 its reverse (283212), we get a palindrome (495594).

The spelling of 212382 in words is "two hundred twelve thousand, three hundred eighty-two".