1012321332320 has 96 divisors (see below), whose sum is σ = 2425164779520. Its totient is φ = 399261058560.

The previous prime is 1012321332289. The next prime is 1012321332343. The reversal of 1012321332320 is 232331232101.

1012321332320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9337625 + ... + 9445415.

It is an arithmetic number, because the mean of its divisors is an integer number (25262133120).

Almost surely, 2^{1012321332320} is an apocalyptic number.

1012321332320 is a gapful number since it is divisible by the number (10) 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 1012321332320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212582389760).

1012321332320 is an abundant number, since it is smaller than the sum of its proper divisors (1412843447200).

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

1012321332320 is a wasteful number, since it uses less digits than its factorization.

1012321332320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108628 (or 108620 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1012321332320 its reverse (232331232101), we get a palindrome (1244652564421).

The spelling of 1012321332320 in words is "one trillion, twelve billion, three hundred twenty-one million, three hundred thirty-two thousand, three hundred twenty".