321234103120240 has 160 divisors (see below), whose sum is σ = 805372613210880. Its totient is φ = 118765192992768.

The previous prime is 321234103120193. The next prime is 321234103120253. The reversal of 321234103120240 is 42021301432123.

It is a super-2 number, since 2×321234103120240² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321234103120199 and 321234103120208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54929844 + ... + 60495916.

It is an arithmetic number, because the mean of its divisors is an integer number (5033578832568).

Almost surely, 2^{321234103120240} 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 321234103120240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402686306605440).

321234103120240 is an abundant number, since it is smaller than the sum of its proper divisors (484138510090640).

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

321234103120240 is a wasteful number, since it uses less digits than its factorization.

321234103120240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567031 (or 5567025 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 321234103120240 its reverse (42021301432123), we get a palindrome (363255404552363).

The spelling of 321234103120240 in words is "three hundred twenty-one trillion, two hundred thirty-four billion, one hundred three million, one hundred twenty thousand, two hundred forty".