212334503 has 2 divisors, whose sum is σ = 212334504. Its totient is φ = 212334502.

The previous prime is 212334497. The next prime is 212334511. The reversal of 212334503 is 305433212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212334503 - 2⁴ = 212334487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212334533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106167251 + 106167252.

It is an arithmetic number, because the mean of its divisors is an integer number (106167252).

Almost surely, 2^212334503 is an apocalyptic number.

212334503 is a deficient number, since it is larger than the sum of its proper divisors (1).

212334503 is an equidigital number, since it uses as much as digits as its factorization.

212334503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 212334503 is about 14571.7021311856. The cubic root of 212334503 is about 596.5866397391.

Adding to 212334503 its reverse (305433212), we get a palindrome (517767715).

The spelling of 212334503 in words is "two hundred twelve million, three hundred thirty-four thousand, five hundred three".