212287067 has 2 divisors, whose sum is σ = 212287068. Its totient is φ = 212287066.

The previous prime is 212287063. The next prime is 212287081. The reversal of 212287067 is 760782212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212287067 - 2² = 212287063 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212287063) 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, 106143533 + 106143534.

It is an arithmetic number, because the mean of its divisors is an integer number (106143534).

Almost surely, 2^212287067 is an apocalyptic number.

212287067 is a deficient number, since it is larger than the sum of its proper divisors (1).

212287067 is an equidigital number, since it uses as much as digits as its factorization.

212287067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 212287067 is about 14570.0743649441. The cubic root of 212287067 is about 596.5422101699.

The spelling of 212287067 in words is "two hundred twelve million, two hundred eighty-seven thousand, sixty-seven".