212750 has 32 divisors (see below), whose sum is σ = 426816. Its totient is φ = 79200.

The previous prime is 212701. The next prime is 212777. The reversal of 212750 is 57212.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

212750 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 15 ways as a sum of consecutive naturals, for example, 5732 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (13338).

2²¹²⁷⁵⁰ is an apocalyptic number.

212750 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.

212750 is a wasteful number, since it uses less digits than its factorization.

212750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 212750 is about 461.2483062300. The cubic root of 212750 is about 59.6975520565.

Adding to 212750 its reverse (57212), we get a palindrome (269962).

The spelling of 212750 in words is "two hundred twelve thousand, seven hundred fifty".