212404303 has 2 divisors, whose sum is σ = 212404304. Its totient is φ = 212404302.

The previous prime is 212404261. The next prime is 212404349. The reversal of 212404303 is 303404212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212404303 - 2²⁵ = 178849871 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212404373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106202151 + 106202152.

It is an arithmetic number, because the mean of its divisors is an integer number (106202152).

Almost surely, 2^212404303 is an apocalyptic number.

212404303 is a deficient number, since it is larger than the sum of its proper divisors (1).

212404303 is an equidigital number, since it uses as much as digits as its factorization.

212404303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 212404303 is about 14574.0969874638. The cubic root of 212404303 is about 596.6520038773.

Adding to 212404303 its reverse (303404212), we get a palindrome (515808515).

Subtracting 212404303 from its reverse (303404212), we obtain a palindrome (90999909).

The spelling of 212404303 in words is "two hundred twelve million, four hundred four thousand, three hundred three".