321012104033420 has 48 divisors (see below), whose sum is σ = 675551409120000. Its totient is φ = 128133472313280.

The previous prime is 321012104033389. The next prime is 321012104033441. The reversal of 321012104033420 is 24330401210123.

It is a self number, because there is not a number n which added to its sum of digits gives 321012104033420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12968321 + ... + 28464039.

It is an arithmetic number, because the mean of its divisors is an integer number (14073987690000).

Almost surely, 2^{321012104033420} is an apocalyptic number.

It is an amenable number.

321012104033420 is an abundant number, since it is smaller than the sum of its proper divisors (354539305086580).

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

321012104033420 is a wasteful number, since it uses less digits than its factorization.

321012104033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15497918 (or 15497916 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 321012104033420 its reverse (24330401210123), we get a palindrome (345342505243543).

The spelling of 321012104033420 in words is "three hundred twenty-one trillion, twelve billion, one hundred four million, thirty-three thousand, four hundred twenty".