321300203120 has 80 divisors (see below), whose sum is σ = 824108003712. Its totient is φ = 115740395520.

The previous prime is 321300203117. The next prime is 321300203131. The reversal of 321300203120 is 21302003123.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3724952 + ... + 3810231.

Almost surely, 2^321300203120 is an apocalyptic number.

It is an amenable number.

321300203120 is an abundant number, since it is smaller than the sum of its proper divisors (502807800592).

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

321300203120 is a wasteful number, since it uses less digits than its factorization.

321300203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7535250 (or 7535244 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 321300203120 its reverse (21302003123), we get a palindrome (342602206243).

The spelling of 321300203120 in words is "three hundred twenty-one billion, three hundred million, two hundred three thousand, one hundred twenty".