10320021231000 has 256 divisors, whose sum is σ = 34683971212800. Its totient is φ = 2539675584000.

The previous prime is 10320021230963. The next prime is 10320021231031. The reversal of 10320021231000 is 13212002301.

It is a super-2 number, since 2×10320021231000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 63 ways as a sum of consecutive naturals, for example, 166069935 + ... + 166132065.

It is an arithmetic number, because the mean of its divisors is an integer number (135484262550).

Almost surely, 2^{10320021231000} is an apocalyptic number.

10320021231000 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 10320021231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17341985606400).

10320021231000 is an abundant number, since it is smaller than the sum of its proper divisors (24363949981800).

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

10320021231000 is a wasteful number, since it uses less digits than its factorization.

10320021231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66427 (or 66413 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10320021231000 its reverse (13212002301), we get a palindrome (10333233233301).

The spelling of 10320021231000 in words is "ten trillion, three hundred twenty billion, twenty-one million, two hundred thirty-one thousand".