212073 has 8 divisors (see below), whose sum is σ = 284928. Its totient is φ = 140304.

The previous prime is 212057. The next prime is 212081. The reversal of 212073 is 370212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212073 - 2⁴ = 212057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511 + ... + 827.

It is an arithmetic number, because the mean of its divisors is an integer number (35616).

2²¹²⁰⁷³ is an apocalyptic number.

It is an amenable number.

212073 is a deficient number, since it is larger than the sum of its proper divisors (72855).

212073 is a wasteful number, since it uses less digits than its factorization.

212073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 212073 is about 460.5138434401. The cubic root of 212073 is about 59.6341628083.

Adding to 212073 its reverse (370212), we get a palindrome (582285).

The spelling of 212073 in words is "two hundred twelve thousand, seventy-three", and thus it is an iban number.