321213220012104 has 128 divisors (see below), whose sum is σ = 953168970670080. Its totient is φ = 88269839424000.

The previous prime is 321213220012033. The next prime is 321213220012117. The reversal of 321213220012104 is 401210022312123.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188343997 + ... + 190041804.

It is an arithmetic number, because the mean of its divisors is an integer number (7446632583360).

Almost surely, 2^{321213220012104} is an apocalyptic number.

It is an amenable number.

321213220012104 is an abundant number, since it is smaller than the sum of its proper divisors (631955750657976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321213220012104 is a wasteful number, since it uses less digits than its factorization.

321213220012104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378386011 (or 378386007 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 321213220012104 its reverse (401210022312123), we get a palindrome (722423242324227).

The spelling of 321213220012104 in words is "three hundred twenty-one trillion, two hundred thirteen billion, two hundred twenty million, twelve thousand, one hundred four".