212030303 has 2 divisors, whose sum is σ = 212030304. Its totient is φ = 212030302.

The previous prime is 212030293. The next prime is 212030309. The reversal of 212030303 is 303030212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212030303 is a prime.

212030303 is a modest number, since divided by 30303 gives 212 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212030309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015151 + 106015152.

It is an arithmetic number, because the mean of its divisors is an integer number (106015152).

Almost surely, 2^212030303 is an apocalyptic number.

212030303 is a deficient number, since it is larger than the sum of its proper divisors (1).

212030303 is an equidigital number, since it uses as much as digits as its factorization.

212030303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 212030303 is about 14561.2603506702. The cubic root of 212030303 is about 596.3016045885.

Adding to 212030303 its reverse (303030212), we get a palindrome (515060515).

Subtracting 212030303 from its reverse (303030212), we obtain a palindrome (90999909).

It can be divided in two parts, 2120 and 30303, that added together give a palindrome (32423).

The spelling of 212030303 in words is "two hundred twelve million, thirty thousand, three hundred three".