21233321312032 has 24 divisors (see below), whose sum is σ = 41872889520000. Its totient is φ = 10598936672064.

The previous prime is 21233321312017. The next prime is 21233321312057. The reversal of 21233321312032 is 23021312333212.

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 3 ways as a sum of consecutive naturals, for example, 553855032 + ... + 553893367.

It is an arithmetic number, because the mean of its divisors is an integer number (1744703730000).

Almost surely, 2^{21233321312032} is an apocalyptic number.

It is an amenable number.

21233321312032 is a deficient number, since it is larger than the sum of its proper divisors (20639568207968).

21233321312032 is a wasteful number, since it uses less digits than its factorization.

21233321312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107749008 (or 1107749000 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21233321312032 its reverse (23021312333212), we get a palindrome (44254633645244).

The spelling of 21233321312032 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred twenty-one million, three hundred twelve thousand, thirty-two".