212443103 has 2 divisors, whose sum is σ = 212443104. Its totient is φ = 212443102.

The previous prime is 212443081. The next prime is 212443117. The reversal of 212443103 is 301344212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212443103 - 2⁸ = 212442847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212443193) 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, 106221551 + 106221552.

It is an arithmetic number, because the mean of its divisors is an integer number (106221552).

Almost surely, 2^212443103 is an apocalyptic number.

212443103 is a deficient number, since it is larger than the sum of its proper divisors (1).

212443103 is an equidigital number, since it uses as much as digits as its factorization.

212443103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 212443103 is about 14575.4280554638. The cubic root of 212443103 is about 596.6883319051.

Adding to 212443103 its reverse (301344212), we get a palindrome (513787315).

The spelling of 212443103 in words is "two hundred twelve million, four hundred forty-three thousand, one hundred three".