212313043 has 2 divisors, whose sum is σ = 212313044. Its totient is φ = 212313042.

The previous prime is 212313037. The next prime is 212313061. The reversal of 212313043 is 340313212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212313043 - 2²¹ = 210215891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212313043.

It is not a weakly prime, because it can be changed into another prime (212313083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106156521 + 106156522.

It is an arithmetic number, because the mean of its divisors is an integer number (106156522).

Almost surely, 2^212313043 is an apocalyptic number.

212313043 is a deficient number, since it is larger than the sum of its proper divisors (1).

212313043 is an equidigital number, since it uses as much as digits as its factorization.

212313043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 212313043 is about 14570.9657538545. The cubic root of 212313043 is about 596.5665406652.

Adding to 212313043 its reverse (340313212), we get a palindrome (552626255).

The spelling of 212313043 in words is "two hundred twelve million, three hundred thirteen thousand, forty-three".