21302033230000 has 200 divisors, whose sum is σ = 53902878432480. Its totient is φ = 8142167040000.

The previous prime is 21302033229949. The next prime is 21302033230001. The reversal of 21302033230000 is 3233020312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a self number, because there is not a number n which added to its sum of digits gives 21302033230000.

It is not an unprimeable number, because it can be changed into a prime (21302033230001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27751365 + ... + 28508635.

Almost surely, 2^{21302033230000} is an apocalyptic number.

21302033230000 is a gapful number since it is divisible by the number (20) 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 21302033230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26951439216240).

21302033230000 is an abundant number, since it is smaller than the sum of its proper divisors (32600845202480).

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

21302033230000 is an equidigital number, since it uses as much as digits as its factorization.

21302033230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757425 (or 757404 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 21302033230000 its reverse (3233020312), we get a palindrome (21305266250312).

The spelling of 21302033230000 in words is "twenty-one trillion, three hundred two billion, thirty-three million, two hundred thirty thousand".