212473 has 4 divisors (see below), whose sum is σ = 213840. Its totient is φ = 211108.

The previous prime is 212467. The next prime is 212479. The reversal of 212473 is 374212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (212467) and next prime (212479).

It is a cyclic number.

It is not a de Polignac number, because 212473 - 2¹⁷ = 81401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212473.

It is not an unprimeable number, because it can be changed into a prime (212479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (53460).

2²¹²⁴⁷³ is an apocalyptic number.

It is an amenable number.

212473 is a deficient number, since it is larger than the sum of its proper divisors (1367).

212473 is a wasteful number, since it uses less digits than its factorization.

212473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its digits is 336, while the sum is 19.

The square root of 212473 is about 460.9479363225. The cubic root of 212473 is about 59.6716321131.

Adding to 212473 its reverse (374212), we get a palindrome (586685).

It can be divided in two parts, 2124 and 73, that added together give a cube (2197 = 13³).

The spelling of 212473 in words is "two hundred twelve thousand, four hundred seventy-three", and thus it is an iban number.