320121304010 has 32 divisors (see below), whose sum is σ = 580258736640. Its totient is φ = 127153772928.

The previous prime is 320121303989. The next prime is 320121304033. The reversal of 320121304010 is 10403121023.

It is a self number, because there is not a number n which added to its sum of digits gives 320121304010.

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, 628751 + ... + 1017629.

It is an arithmetic number, because the mean of its divisors is an integer number (18133085520).

Almost surely, 2^320121304010 is an apocalyptic number.

320121304010 is a deficient number, since it is larger than the sum of its proper divisors (260137432630).

320121304010 is a wasteful number, since it uses less digits than its factorization.

320121304010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389462.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 320121304010 its reverse (10403121023), we get a palindrome (330524425033).

The spelling of 320121304010 in words is "three hundred twenty billion, one hundred twenty-one million, three hundred four thousand, ten".