212234344243 has 4 divisors (see below), whose sum is σ = 212239749888. Its totient is φ = 212228938600.

The previous prime is 212234344229. The next prime is 212234344249. The reversal of 212234344243 is 342443432212.

212234344243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212234344243 - 2¹³ = 212234336051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212234344199 and 212234344208.

It is not an unprimeable number, because it can be changed into a prime (212234344249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643496 + ... + 2722597.

It is an arithmetic number, because the mean of its divisors is an integer number (53059937472).

Almost surely, 2^212234344243 is an apocalyptic number.

212234344243 is a deficient number, since it is larger than the sum of its proper divisors (5405645).

212234344243 is an equidigital number, since it uses as much as digits as its factorization.

212234344243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5405644.

The product of its digits is 110592, while the sum is 34.

Adding to 212234344243 its reverse (342443432212), we get a palindrome (554677776455).

The spelling of 212234344243 in words is "two hundred twelve billion, two hundred thirty-four million, three hundred forty-four thousand, two hundred forty-three".