212079 has 8 divisors (see below), whose sum is σ = 323200. Its totient is φ = 121176.

The previous prime is 212057. The next prime is 212081. The reversal of 212079 is 970212.

It is a happy number.

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

It is not a de Polignac number, because 212079 - 2¹¹ = 210031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10099 = 212079 / (2 + 1 + 2 + 0 + 7 + 9).

It is a Duffinian number.

212079 is a modest number, since divided by 2079 gives 21 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212029) 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, 5029 + ... + 5070.

It is an arithmetic number, because the mean of its divisors is an integer number (40400).

2²¹²⁰⁷⁹ is an apocalyptic number.

212079 is a deficient number, since it is larger than the sum of its proper divisors (111121).

212079 is a wasteful number, since it uses less digits than its factorization.

212079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 212079 is about 460.5203578562. The cubic root of 212079 is about 59.6347251958.

The spelling of 212079 in words is "two hundred twelve thousand, seventy-nine".