321324140000 has 240 divisors, whose sum is σ = 845721632448. Its totient is φ = 119709696000.

The previous prime is 321324139999. The next prime is 321324140021. The reversal of 321324140000 is 41423123.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32975129 + ... + 32984871.

Almost surely, 2^321324140000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321324140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422860816224).

321324140000 is an abundant number, since it is smaller than the sum of its proper divisors (524397492448).

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

321324140000 is an equidigital number, since it uses as much as digits as its factorization.

321324140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9887 (or 9864 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 321324140000 its reverse (41423123), we get a palindrome (321365563123).

The spelling of 321324140000 in words is "three hundred twenty-one billion, three hundred twenty-four million, one hundred forty thousand".