212341043 has 2 divisors, whose sum is σ = 212341044. Its totient is φ = 212341042.

The previous prime is 212341027. The next prime is 212341081. The reversal of 212341043 is 340143212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212341043 - 2⁴ = 212341027 is a prime.

It is not a weakly prime, because it can be changed into another prime (212341343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106170521 + 106170522.

It is an arithmetic number, because the mean of its divisors is an integer number (106170522).

Almost surely, 2^212341043 is an apocalyptic number.

212341043 is a deficient number, since it is larger than the sum of its proper divisors (1).

212341043 is an equidigital number, since it uses as much as digits as its factorization.

212341043 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 212341043 is about 14571.9265370094. The cubic root of 212341043 is about 596.5927647236.

Adding to 212341043 its reverse (340143212), we get a palindrome (552484255).

The spelling of 212341043 in words is "two hundred twelve million, three hundred forty-one thousand, forty-three".