321213421006 has 32 divisors (see below), whose sum is σ = 513320241600. Its totient is φ = 150225394176.

The previous prime is 321213420961. The next prime is 321213421031. The reversal of 321213421006 is 600124312123.

It is a congruent 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, 5906716 + ... + 5960848.

It is an arithmetic number, because the mean of its divisors is an integer number (16041257550).

Almost surely, 2^321213421006 is an apocalyptic number.

321213421006 is a deficient number, since it is larger than the sum of its proper divisors (192106820594).

321213421006 is a wasteful number, since it uses less digits than its factorization.

321213421006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55228.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 321213421006 its reverse (600124312123), we get a palindrome (921337733129).

The spelling of 321213421006 in words is "three hundred twenty-one billion, two hundred thirteen million, four hundred twenty-one thousand, six".