21033344333012 has 24 divisors (see below), whose sum is σ = 40812838040352. Its totient is φ = 9403879730400.

The previous prime is 21033344332981. The next prime is 21033344333021.

21033344333012 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 21033344333012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918280538 + ... + 3918285905.

It is an arithmetic number, because the mean of its divisors is an integer number (1700534918348).

Almost surely, 2^{21033344333012} is an apocalyptic number.

21033344333012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21033344333012 is a deficient number, since it is larger than the sum of its proper divisors (19779493707340).

21033344333012 is a wasteful number, since it uses less digits than its factorization.

21033344333012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836566519 (or 7836566517 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 32.

It can be divided in two parts, 2103334 and 4333012, that added together give a palindrome (6436346).

The spelling of 21033344333012 in words is "twenty-one trillion, thirty-three billion, three hundred forty-four million, three hundred thirty-three thousand, twelve".