212766319 has 2 divisors, whose sum is σ = 212766320. Its totient is φ = 212766318.

The previous prime is 212766289. The next prime is 212766341. The reversal of 212766319 is 913667212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212766319 - 2¹³ = 212758127 is a prime.

It is a super-2 number, since 2×212766319² = 90539013001619522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212763319) 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, 106383159 + 106383160.

It is an arithmetic number, because the mean of its divisors is an integer number (106383160).

Almost surely, 2^212766319 is an apocalyptic number.

212766319 is a deficient number, since it is larger than the sum of its proper divisors (1).

212766319 is an equidigital number, since it uses as much as digits as its factorization.

212766319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 212766319 is about 14586.5115432032. The cubic root of 212766319 is about 596.9907838540.

The spelling of 212766319 in words is "two hundred twelve million, seven hundred sixty-six thousand, three hundred nineteen".