212243144004043 has 2 divisors, whose sum is σ = 212243144004044. Its totient is φ = 212243144004042.

The previous prime is 212243144004019. The next prime is 212243144004061. The reversal of 212243144004043 is 340400441342212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212243144004043 - 2⁹ = 212243144003531 is a prime.

It is not a weakly prime, because it can be changed into another prime (212243144004083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106121572002021 + 106121572002022.

It is an arithmetic number, because the mean of its divisors is an integer number (106121572002022).

Almost surely, 2^{212243144004043} is an apocalyptic number.

212243144004043 is a deficient number, since it is larger than the sum of its proper divisors (1).

212243144004043 is an equidigital number, since it uses as much as digits as its factorization.

212243144004043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 212243144004043 its reverse (340400441342212), we get a palindrome (552643585346255).

The spelling of 212243144004043 in words is "two hundred twelve trillion, two hundred forty-three billion, one hundred forty-four million, four thousand, forty-three".