321401121424 has 40 divisors (see below), whose sum is σ = 664468478240. Its totient is φ = 150157110528.

The previous prime is 321401121413. The next prime is 321401121449. The reversal of 321401121424 is 424121104123.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7219182 + ... + 7263565.

It is an arithmetic number, because the mean of its divisors is an integer number (16611711956).

Almost surely, 2^321401121424 is an apocalyptic number.

It is an amenable number.

321401121424 is an abundant number, since it is smaller than the sum of its proper divisors (343067356816).

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

321401121424 is a wasteful number, since it uses less digits than its factorization.

321401121424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14482847 (or 14482841 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 321401121424 its reverse (424121104123), we get a palindrome (745522225547).

The spelling of 321401121424 in words is "three hundred twenty-one billion, four hundred one million, one hundred twenty-one thousand, four hundred twenty-four".