212773 has 12 divisors (see below), whose sum is σ = 250848. Its totient is φ = 178640.

The previous prime is 212701. The next prime is 212777. The reversal of 212773 is 377212.

It is not a de Polignac number, because 212773 - 2¹⁷ = 81701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212777) 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 in 11 ways as a sum of consecutive naturals, for example, 7323 + ... + 7351.

It is an arithmetic number, because the mean of its divisors is an integer number (20904).

2²¹²⁷⁷³ is an apocalyptic number.

212773 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212773 is a deficient number, since it is larger than the sum of its proper divisors (38075).

212773 is a wasteful number, since it uses less digits than its factorization.

212773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 63 counting only the distinct ones).

The product of its digits is 588, while the sum is 22.

The square root of 212773 is about 461.2732378970. The cubic root of 212773 is about 59.6997032421.

Adding to 212773 its reverse (377212), we get a palindrome (589985).

The spelling of 212773 in words is "two hundred twelve thousand, seven hundred seventy-three", and thus it is an iban number.