321420032241312 has 24 divisors (see below), whose sum is σ = 843727584633696. Its totient is φ = 107140010747072.

The previous prime is 321420032241227. The next prime is 321420032241323. The reversal of 321420032241312 is 213142230024123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 321420032241312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1674062667828 + ... + 1674062668019.

It is an arithmetic number, because the mean of its divisors is an integer number (35155316026404).

Almost surely, 2^{321420032241312} is an apocalyptic number.

321420032241312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321420032241312 is an abundant number, since it is smaller than the sum of its proper divisors (522307552392384).

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

321420032241312 is a wasteful number, since it uses less digits than its factorization.

321420032241312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348125335860 (or 3348125335852 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 321420032241312 its reverse (213142230024123), we get a palindrome (534562262265435).

The spelling of 321420032241312 in words is "three hundred twenty-one trillion, four hundred twenty billion, thirty-two million, two hundred forty-one thousand, three hundred twelve".