212379 has 4 divisors (see below), whose sum is σ = 283176. Its totient is φ = 141584.

The previous prime is 212369. The next prime is 212383. The reversal of 212379 is 973212.

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 212379 - 2⁸ = 212123 is a prime.

It is a D-number.

212379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (212369) 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, 35394 + ... + 35399.

It is an arithmetic number, because the mean of its divisors is an integer number (70794).

2²¹²³⁷⁹ is an apocalyptic number.

212379 is a deficient number, since it is larger than the sum of its proper divisors (70797).

212379 is an equidigital number, since it uses as much as digits as its factorization.

212379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70796.

The product of its digits is 756, while the sum is 24.

The square root of 212379 is about 460.8459612495. The cubic root of 212379 is about 59.6628310564.

The spelling of 212379 in words is "two hundred twelve thousand, three hundred seventy-nine".