212100299 has 2 divisors, whose sum is σ = 212100300. Its totient is φ = 212100298.

The previous prime is 212100283. The next prime is 212100307. The reversal of 212100299 is 992001212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212100299 - 2⁴ = 212100283 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212100799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050149 + 106050150.

It is an arithmetic number, because the mean of its divisors is an integer number (106050150).

Almost surely, 2^212100299 is an apocalyptic number.

212100299 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100299 is an equidigital number, since it uses as much as digits as its factorization.

212100299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 212100299 is about 14563.6636530785. The cubic root of 212100299 is about 596.3672149194.

The spelling of 212100299 in words is "two hundred twelve million, one hundred thousand, two hundred ninety-nine".