21332423312 has 40 divisors (see below), whose sum is σ = 41799616320. Its totient is φ = 10545724800.

The previous prime is 21332423237. The next prime is 21332423339.

It is a happy number.

21332423312 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21332423312² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185293 + ... + 1203155.

It is an arithmetic number, because the mean of its divisors is an integer number (1044990408).

Almost surely, 2^21332423312 is an apocalyptic number.

It is an amenable number.

21332423312 is a deficient number, since it is larger than the sum of its proper divisors (20467193008).

21332423312 is a wasteful number, since it uses less digits than its factorization.

21332423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711 (or 18705 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The spelling of 21332423312 in words is "twenty-one billion, three hundred thirty-two million, four hundred twenty-three thousand, three hundred twelve".