212295667 has 2 divisors, whose sum is σ = 212295668. Its totient is φ = 212295666.

The previous prime is 212295661. The next prime is 212295701. The reversal of 212295667 is 766592212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212295667 - 2¹⁵ = 212262899 is a prime.

It is not a weakly prime, because it can be changed into another prime (212295661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106147833 + 106147834.

It is an arithmetic number, because the mean of its divisors is an integer number (106147834).

Almost surely, 2^212295667 is an apocalyptic number.

212295667 is a deficient number, since it is larger than the sum of its proper divisors (1).

212295667 is an equidigital number, since it uses as much as digits as its factorization.

212295667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 212295667 is about 14570.3694874221. The cubic root of 212295667 is about 596.5502656045.

It can be divided in two parts, 21229 and 5667, that added together give a square (26896 = 164²).

The spelling of 212295667 in words is "two hundred twelve million, two hundred ninety-five thousand, six hundred sixty-seven".