212059 has 4 divisors (see below), whose sum is σ = 223240. Its totient is φ = 200880.

The previous prime is 212057. The next prime is 212081. The reversal of 212059 is 950212.

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

It is a cyclic number.

It is not a de Polignac number, because 212059 - 2¹ = 212057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11161 = 212059 / (2 + 1 + 2 + 0 + 5 + 9).

It is a Duffinian number.

212059 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (212057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5562 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (55810).

2²¹²⁰⁵⁹ is an apocalyptic number.

212059 is a deficient number, since it is larger than the sum of its proper divisors (11181).

212059 is a wasteful number, since it uses less digits than its factorization.

212059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11180.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 212059 is about 460.4986427776. The cubic root of 212059 is about 59.6328505296.

It can be divided in two parts, 21 and 2059, that added together give a triangular number (2080 = T₆₄).

The spelling of 212059 in words is "two hundred twelve thousand, fifty-nine".