212271 has 8 divisors (see below), whose sum is σ = 285360. Its totient is φ = 140352.

The previous prime is 212243. The next prime is 212281. The reversal of 212271 is 172212.

212271 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212271 - 2⁵ = 212239 is a prime.

212271 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 212271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212281) 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, 315 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (35670).

2²¹²²⁷¹ is an apocalyptic number.

212271 is a deficient number, since it is larger than the sum of its proper divisors (73089).

212271 is a wasteful number, since it uses less digits than its factorization.

212271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585.

The product of its digits is 56, while the sum is 15.

The square root of 212271 is about 460.7287705364. The cubic root of 212271 is about 59.6527159975.

Adding to 212271 its reverse (172212), we get a palindrome (384483).

It can be divided in two parts, 2 and 12271, that multiplied together give a palindrome (24542).

The spelling of 212271 in words is "two hundred twelve thousand, two hundred seventy-one", and thus it is an iban number.