212882 has 4 divisors (see below), whose sum is σ = 319326. Its totient is φ = 106440.

The previous prime is 212881. The next prime is 212897. The reversal of 212882 is 288212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 212521 + 361 = 461^2 + 19^2 .

It is not an unprimeable number, because it can be changed into a prime (212881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53219 + ... + 53222.

2²¹²⁸⁸² is an apocalyptic number.

212882 is a deficient number, since it is larger than the sum of its proper divisors (106444).

212882 is a wasteful number, since it uses less digits than its factorization.

212882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106443.

The product of its digits is 512, while the sum is 23.

The square root of 212882 is about 461.3913739983. The cubic root of 212882 is about 59.7098958837.

The spelling of 212882 in words is "two hundred twelve thousand, eight hundred eighty-two".