321043211242 has 16 divisors (see below), whose sum is σ = 545903436960. Its totient is φ = 140375169072.

The previous prime is 321043211233. The next prime is 321043211249. The reversal of 321043211242 is 242112340123.

It is not an unprimeable number, because it can be changed into a prime (321043211249) 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 in 7 ways as a sum of consecutive naturals, for example, 324942028 + ... + 324943015.

It is an arithmetic number, because the mean of its divisors is an integer number (34118964810).

Almost surely, 2^321043211242 is an apocalyptic number.

321043211242 is a deficient number, since it is larger than the sum of its proper divisors (224860225718).

321043211242 is a wasteful number, since it uses less digits than its factorization.

321043211242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649885077.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 321043211242 its reverse (242112340123), we get a palindrome (563155551365).

The spelling of 321043211242 in words is "three hundred twenty-one billion, forty-three million, two hundred eleven thousand, two hundred forty-two".