21323033101200 has 60 divisors (see below), whose sum is σ = 68304782704688. Its totient is φ = 5686142160000.

The previous prime is 21323033101199. The next prime is 21323033101213. The reversal of 21323033101200 is 210133032312.

It is a tau number, because it is divible by the number of its divisors (60).

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 11 ways as a sum of consecutive naturals, for example, 8884595926 + ... + 8884598325.

Almost surely, 2^{21323033101200} is an apocalyptic number.

21323033101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21323033101200 is an abundant number, since it is smaller than the sum of its proper divisors (46981749603488).

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

21323033101200 is a wasteful number, since it uses less digits than its factorization.

21323033101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17769194272 (or 17769194261 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21323033101200 its reverse (210133032312), we get a palindrome (21533166133512).

The spelling of 21323033101200 in words is "twenty-one trillion, three hundred twenty-three billion, thirty-three million, one hundred one thousand, two hundred".