10321320000 has 140 divisors (see below), whose sum is σ = 34125088976. Its totient is φ = 2752320000.

The previous prime is 10321319977. The next prime is 10321320001. The reversal of 10321320000 is 2312301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (10321320001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 76995 + ... + 163005.

Almost surely, 2^10321320000 is an apocalyptic number.

10321320000 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 10321320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17062544488).

10321320000 is an abundant number, since it is smaller than the sum of its proper divisors (23803768976).

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

10321320000 is an frugal number, since it uses more digits than its factorization.

10321320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86046 (or 86021 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10321320000 its reverse (2312301), we get a palindrome (10323632301).

The spelling of 10321320000 in words is "ten billion, three hundred twenty-one million, three hundred twenty thousand".