321204344420012 has 48 divisors (see below), whose sum is σ = 593334560324352. Its totient is φ = 151992723516480.

The previous prime is 321204344419999. The next prime is 321204344420021. The reversal of 321204344420012 is 210024443402123.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 227761328 + ... + 229167255.

It is an arithmetic number, because the mean of its divisors is an integer number (12361136673424).

Almost surely, 2^{321204344420012} is an apocalyptic number.

It is an amenable number.

321204344420012 is a deficient number, since it is larger than the sum of its proper divisors (272130215904340).

321204344420012 is a wasteful number, since it uses less digits than its factorization.

321204344420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456928758 (or 456928756 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 321204344420012 its reverse (210024443402123), we get a palindrome (531228787822135).

The spelling of 321204344420012 in words is "three hundred twenty-one trillion, two hundred four billion, three hundred forty-four million, four hundred twenty thousand, twelve".