4212312344543 has 2 divisors, whose sum is σ = 4212312344544. Its totient is φ = 4212312344542.

The previous prime is 4212312344521. The next prime is 4212312344549. The reversal of 4212312344543 is 3454432132124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4212312344543 - 2¹⁸ = 4212312082399 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 4212312344497 and 4212312344506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4212312344549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106156172271 + 2106156172272.

It is an arithmetic number, because the mean of its divisors is an integer number (2106156172272).

Almost surely, 2^{4212312344543} is an apocalyptic number.

4212312344543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4212312344543 is an equidigital number, since it uses as much as digits as its factorization.

4212312344543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 38.

Adding to 4212312344543 its reverse (3454432132124), we get a palindrome (7666744476667).

The spelling of 4212312344543 in words is "four trillion, two hundred twelve billion, three hundred twelve million, three hundred forty-four thousand, five hundred forty-three".