321424333242112 has 72 divisors (see below), whose sum is σ = 655304961024000. Its totient is φ = 157278129748992.

The previous prime is 321424333242107. The next prime is 321424333242161. The reversal of 321424333242112 is 211242333424123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128696689 + ... + 131170447.

It is an arithmetic number, because the mean of its divisors is an integer number (9101457792000).

Almost surely, 2^{321424333242112} is an apocalyptic number.

321424333242112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321424333242112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327652480512000).

321424333242112 is an abundant number, since it is smaller than the sum of its proper divisors (333880627781888).

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

321424333242112 is a wasteful number, since it uses less digits than its factorization.

321424333242112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484621 (or 2484607 counting only the distinct ones).

The product of its digits is 165888, while the sum is 37.

Adding to 321424333242112 its reverse (211242333424123), we get a palindrome (532666666666235).

The spelling of 321424333242112 in words is "three hundred twenty-one trillion, four hundred twenty-four billion, three hundred thirty-three million, two hundred forty-two thousand, one hundred twelve".