21333233312 has 24 divisors (see below), whose sum is σ = 42531451200. Its totient is φ = 10531594944.

The previous prime is 21333233261. The next prime is 21333233323.

It is a happy number.

21333233312 is nontrivially palindromic in base 10.

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 3 ways as a sum of consecutive naturals, for example, 4216862 + ... + 4221917.

It is an arithmetic number, because the mean of its divisors is an integer number (1772143800).

Almost surely, 2^21333233312 is an apocalyptic number.

It is an amenable number.

21333233312 is a deficient number, since it is larger than the sum of its proper divisors (21198217888).

21333233312 is an equidigital number, since it uses as much as digits as its factorization.

21333233312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8438868 (or 8438860 counting only the distinct ones).

The product of its digits is 5832, while the sum is 26.

The spelling of 21333233312 in words is "twenty-one billion, three hundred thirty-three million, two hundred thirty-three thousand, three hundred twelve".