21231332004300 has 288 divisors, whose sum is σ = 71198275518720. Its totient is φ = 4835195366400.

The previous prime is 21231332004299. The next prime is 21231332004307. The reversal of 21231332004300 is 340023313212.

21231332004300 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (21231332004307) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 542887 + ... + 6538913.

It is an arithmetic number, because the mean of its divisors is an integer number (247216234440).

Almost surely, 2^{21231332004300} is an apocalyptic number.

21231332004300 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 21231332004300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35599137759360).

21231332004300 is an abundant number, since it is smaller than the sum of its proper divisors (49966943514420).

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

21231332004300 is a wasteful number, since it uses less digits than its factorization.

21231332004300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996121 (or 5996114 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21231332004300 its reverse (340023313212), we get a palindrome (21571355317512).

The spelling of 21231332004300 in words is "twenty-one trillion, two hundred thirty-one billion, three hundred thirty-two million, four thousand, three hundred".