212224320332443 has 4 divisors (see below), whose sum is σ = 212366848420120. Its totient is φ = 212081792244768.

The previous prime is 212224320332377. The next prime is 212224320332501. The reversal of 212224320332443 is 344233023422212.

It is a happy number.

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 212224320332443 - 2¹³ = 212224320324251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212224320330443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71264041605 + ... + 71264044582.

It is an arithmetic number, because the mean of its divisors is an integer number (53091712105030).

Almost surely, 2^{212224320332443} is an apocalyptic number.

212224320332443 is a deficient number, since it is larger than the sum of its proper divisors (142528087677).

212224320332443 is a wasteful number, since it uses less digits than its factorization.

212224320332443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142528087676.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 212224320332443 its reverse (344233023422212), we get a palindrome (556457343754655).

The spelling of 212224320332443 in words is "two hundred twelve trillion, two hundred twenty-four billion, three hundred twenty million, three hundred thirty-two thousand, four hundred forty-three".