212303303 has 2 divisors, whose sum is σ = 212303304. Its totient is φ = 212303302.

The previous prime is 212303269. The next prime is 212303387. The reversal of 212303303 is 303303212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212303303 - 2⁶ = 212303239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212303393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106151651 + 106151652.

It is an arithmetic number, because the mean of its divisors is an integer number (106151652).

Almost surely, 2^212303303 is an apocalyptic number.

212303303 is a deficient number, since it is larger than the sum of its proper divisors (1).

212303303 is an equidigital number, since it uses as much as digits as its factorization.

212303303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 212303303 is about 14570.6315237192. The cubic root of 212303303 is about 596.5574178987.

Adding to 212303303 its reverse (303303212), we get a palindrome (515606515).

Subtracting 212303303 from its reverse (303303212), we obtain a palindrome (90999909).

The spelling of 212303303 in words is "two hundred twelve million, three hundred three thousand, three hundred three".