212316479 has 2 divisors, whose sum is σ = 212316480. Its totient is φ = 212316478.

The previous prime is 212316389. The next prime is 212316497. The reversal of 212316479 is 974613212.

Together with next prime (212316497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212316479 - 2²⁴ = 195539263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212316079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106158239 + 106158240.

It is an arithmetic number, because the mean of its divisors is an integer number (106158240).

Almost surely, 2^212316479 is an apocalyptic number.

212316479 is a deficient number, since it is larger than the sum of its proper divisors (1).

212316479 is an equidigital number, since it uses as much as digits as its factorization.

212316479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 212316479 is about 14571.0836590832. The cubic root of 212316479 is about 596.5697588559.

The spelling of 212316479 in words is "two hundred twelve million, three hundred sixteen thousand, four hundred seventy-nine".