21322333331312 has 30 divisors (see below), whose sum is σ = 44734318418592. Its totient is φ = 9841076920896.

The previous prime is 21322333331293. The next prime is 21322333331317. The reversal of 21322333331312 is 21313333322312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322333331317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3942736448 + ... + 3942741855.

Almost surely, 2^{21322333331312} is an apocalyptic number.

It is an amenable number.

21322333331312 is an abundant number, since it is smaller than the sum of its proper divisors (23411985087280).

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

21322333331312 is a wasteful number, since it uses less digits than its factorization.

21322333331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885478337 (or 7885478318 counting only the distinct ones).

The product of its digits is 34992, while the sum is 32.

Adding to 21322333331312 its reverse (21313333322312), we get a palindrome (42635666653624).

The spelling of 21322333331312 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred thirty-three million, three hundred thirty-one thousand, three hundred twelve".