212479 has 2 divisors, whose sum is σ = 212480. Its totient is φ = 212478.

The previous prime is 212467. The next prime is 212501. The reversal of 212479 is 974212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212479 - 2⁵ = 212447 is a prime.

212479 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106239 + 106240.

It is an arithmetic number, because the mean of its divisors is an integer number (106240).

2²¹²⁴⁷⁹ is an apocalyptic number.

212479 is a deficient number, since it is larger than the sum of its proper divisors (1).

212479 is an equidigital number, since it uses as much as digits as its factorization.

212479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 212479 is about 460.9544446038. The cubic root of 212479 is about 59.6721937946.

It can be divided in two parts, 21 and 2479, that added together give a square (2500 = 50²).

The spelling of 212479 in words is "two hundred twelve thousand, four hundred seventy-nine".