321063034512 has 160 divisors (see below), whose sum is σ = 970407889920. Its totient is φ = 90431976960.

The previous prime is 321063034483. The next prime is 321063034559. The reversal of 321063034512 is 215430360123.

It is a self number, because there is not a number n which added to its sum of digits gives 321063034512.

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, 229773 + ... + 833619.

It is an arithmetic number, because the mean of its divisors is an integer number (6065049312).

Almost surely, 2^321063034512 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 321063034512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485203944960).

321063034512 is an abundant number, since it is smaller than the sum of its proper divisors (649344855408).

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

321063034512 is a wasteful number, since it uses less digits than its factorization.

321063034512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603941 (or 603935 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 321063034512 its reverse (215430360123), we get a palindrome (536493394635).

The spelling of 321063034512 in words is "three hundred twenty-one billion, sixty-three million, thirty-four thousand, five hundred twelve".