321300001021000 has 256 divisors, whose sum is σ = 780214259784960. Its totient is φ = 123756179097600.

The previous prime is 321300001020961. The next prime is 321300001021031. The reversal of 321300001021000 is 120100003123.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7398601287 + ... + 7398644713.

It is an arithmetic number, because the mean of its divisors is an integer number (3047711952285).

Almost surely, 2^{321300001021000} 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 321300001021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390107129892480).

321300001021000 is an abundant number, since it is smaller than the sum of its proper divisors (458914258763960).

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

321300001021000 is a wasteful number, since it uses less digits than its factorization.

321300001021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45921 (or 45907 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 321300001021000 its reverse (120100003123), we get a palindrome (321420101024123).

The spelling of 321300001021000 in words is "three hundred twenty-one trillion, three hundred billion, one million, twenty-one thousand".