212259 has 4 divisors (see below), whose sum is σ = 283016. Its totient is φ = 141504.

The previous prime is 212243. The next prime is 212281. The reversal of 212259 is 952212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212259 - 2⁴ = 212243 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 1 + 2¹⁶ + 2¹⁷ + 5⁶ + 9 .

It is a D-number.

It is a Duffinian number.

212259 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 212259.

It is not an unprimeable number, because it can be changed into a prime (212209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35374 + ... + 35379.

It is an arithmetic number, because the mean of its divisors is an integer number (70754).

2²¹²²⁵⁹ is an apocalyptic number.

212259 is a deficient number, since it is larger than the sum of its proper divisors (70757).

212259 is an equidigital number, since it uses as much as digits as its factorization.

212259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70756.

The product of its digits is 360, while the sum is 21.

The square root of 212259 is about 460.7157475060. The cubic root of 212259 is about 59.6515918902.

The spelling of 212259 in words is "two hundred twelve thousand, two hundred fifty-nine".