212471 has 8 divisors (see below), whose sum is σ = 245760. Its totient is φ = 179928.

The previous prime is 212467. The next prime is 212479. The reversal of 212471 is 174212.

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

It is not a de Polignac number, because 212471 - 2² = 212467 is a prime.

It is a super-3 number, since 3×212471³ = 28775325202089333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 212471.

It is not an unprimeable number, because it can be changed into a prime (212479) 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, 770 + ... + 1008.

It is an arithmetic number, because the mean of its divisors is an integer number (30720).

2²¹²⁴⁷¹ is an apocalyptic number.

212471 is a deficient number, since it is larger than the sum of its proper divisors (33289).

212471 is a wasteful number, since it uses less digits than its factorization.

212471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its digits is 112, while the sum is 17.

The square root of 212471 is about 460.9457668750. The cubic root of 212471 is about 59.6714448836.

Adding to 212471 its reverse (174212), we get a palindrome (386683).

It can be divided in two parts, 2 and 12471, that multiplied together give a palindrome (24942).

The spelling of 212471 in words is "two hundred twelve thousand, four hundred seventy-one", and thus it is an iban number.