212213040043 has 2 divisors, whose sum is σ = 212213040044. Its totient is φ = 212213040042.

The previous prime is 212213039993. The next prime is 212213040071. The reversal of 212213040043 is 340040312212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212213040043 - 2⁹ = 212213039531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212213039996 and 212213040023.

It is not a weakly prime, because it can be changed into another prime (212213047043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106520021 + 106106520022.

It is an arithmetic number, because the mean of its divisors is an integer number (106106520022).

Almost surely, 2^212213040043 is an apocalyptic number.

212213040043 is a deficient number, since it is larger than the sum of its proper divisors (1).

212213040043 is an equidigital number, since it uses as much as digits as its factorization.

212213040043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 212213040043 its reverse (340040312212), we get a palindrome (552253352255).

The spelling of 212213040043 in words is "two hundred twelve billion, two hundred thirteen million, forty thousand, forty-three".