21322312230332 has 48 divisors (see below), whose sum is σ = 38152504656000. Its totient is φ = 10423691623104.

The previous prime is 21322312230311. The next prime is 21322312230361. The reversal of 21322312230332 is 23303221322312.

It is a junction number, because it is equal to n+sod(n) for n = 21322312230295 and 21322312230304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36979019 + ... + 37551197.

It is an arithmetic number, because the mean of its divisors is an integer number (794843847000).

Almost surely, 2^{21322312230332} is an apocalyptic number.

It is an amenable number.

21322312230332 is a deficient number, since it is larger than the sum of its proper divisors (16830192425668).

21322312230332 is a wasteful number, since it uses less digits than its factorization.

21322312230332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573098 (or 573096 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 21322312230332 its reverse (23303221322312), we get a palindrome (44625533552644).

The spelling of 21322312230332 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred twelve million, two hundred thirty thousand, three hundred thirty-two".