21323302012200 has 96 divisors (see below), whose sum is σ = 66156733332000. Its totient is φ = 5681525948160.

The previous prime is 21323302012171. The next prime is 21323302012237. The reversal of 21323302012200 is 221020332312.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13921350 + ... + 15376949.

It is an arithmetic number, because the mean of its divisors is an integer number (689132638875).

Almost surely, 2^{21323302012200} is an apocalyptic number.

21323302012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21323302012200 is an abundant number, since it is smaller than the sum of its proper divisors (44833431319800).

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

21323302012200 is a wasteful number, since it uses less digits than its factorization.

21323302012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29299531 (or 29299522 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21323302012200 its reverse (221020332312), we get a palindrome (21544322344512).

The spelling of 21323302012200 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred two million, twelve thousand, two hundred".