212705303 has 2 divisors, whose sum is σ = 212705304. Its totient is φ = 212705302.

The previous prime is 212705299. The next prime is 212705321. The reversal of 212705303 is 303507212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212705303 - 2² = 212705299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212705333) 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, 106352651 + 106352652.

It is an arithmetic number, because the mean of its divisors is an integer number (106352652).

Almost surely, 2^212705303 is an apocalyptic number.

212705303 is a deficient number, since it is larger than the sum of its proper divisors (1).

212705303 is an equidigital number, since it uses as much as digits as its factorization.

212705303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 212705303 is about 14584.4198719044. The cubic root of 212705303 is about 596.9337111112.

The spelling of 212705303 in words is "two hundred twelve million, seven hundred five thousand, three hundred three".