321003145225112 has 64 divisors (see below), whose sum is σ = 710072363059200. Its totient is φ = 133131321976320.

The previous prime is 321003145225099. The next prime is 321003145225229. The reversal of 321003145225112 is 211522541300123.

It is a congruent number.

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, 61767488 + ... + 66762480.

It is an arithmetic number, because the mean of its divisors is an integer number (11094880672800).

Almost surely, 2^{321003145225112} is an apocalyptic number.

It is an amenable number.

321003145225112 is an abundant number, since it is smaller than the sum of its proper divisors (389069217834088).

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

321003145225112 is a wasteful number, since it uses less digits than its factorization.

321003145225112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032056 (or 5032052 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 321003145225112 its reverse (211522541300123), we get a palindrome (532525686525235).

The spelling of 321003145225112 in words is "three hundred twenty-one trillion, three billion, one hundred forty-five million, two hundred twenty-five thousand, one hundred twelve".