321003020104000 has 448 divisors, whose sum is σ = 893515139112960. Its totient is φ = 113348417740800.

The previous prime is 321003020103991. The next prime is 321003020104003. The reversal of 321003020104000 is 401020300123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321003020104003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16071838014 + ... + 16071857986.

It is an arithmetic number, because the mean of its divisors is an integer number (1994453435520).

Almost surely, 2^{321003020104000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321003020104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446757569556480).

321003020104000 is an abundant number, since it is smaller than the sum of its proper divisors (572512119008960).

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

321003020104000 is a wasteful number, since it uses less digits than its factorization.

321003020104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26755 (or 26735 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 321003020104000 its reverse (401020300123), we get a palindrome (321404040404123).

The spelling of 321003020104000 in words is "three hundred twenty-one trillion, three billion, twenty million, one hundred four thousand".