21304333340312 has 64 divisors (see below), whose sum is σ = 44496431028000. Its totient is φ = 9481416560640.

The previous prime is 21304333340273. The next prime is 21304333340363.

21304333340312 is nontrivially palindromic in base 10.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 11223437 + ... + 12983612.

Almost surely, 2^{21304333340312} is an apocalyptic number.

21304333340312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21304333340312 is an abundant number, since it is smaller than the sum of its proper divisors (23192097687688).

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

21304333340312 is a wasteful number, since it uses less digits than its factorization.

21304333340312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24207276 (or 24207272 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, 2130433 and 3340312, that added together give a palindrome (5470745).

The spelling of 21304333340312 in words is "twenty-one trillion, three hundred four billion, three hundred thirty-three million, three hundred forty thousand, three hundred twelve".