21323332201232 has 20 divisors (see below), whose sum is σ = 43744188854556. Its totient is φ = 10034509271040.

The previous prime is 21323332201169. The next prime is 21323332201277. The reversal of 21323332201232 is 23210223332312.

It can be written as a sum of positive squares in 2 ways, for example, as 19981293361936 + 1342038839296 = 4470044^2 + 1158464^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21323332201195 and 21323332201204.

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, 39197301569 + ... + 39197302112.

Almost surely, 2^{21323332201232} is an apocalyptic number.

It is an amenable number.

21323332201232 is an abundant number, since it is smaller than the sum of its proper divisors (22420856653324).

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

21323332201232 is a wasteful number, since it uses less digits than its factorization.

21323332201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78394603706 (or 78394603700 counting only the distinct ones).

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

Adding to 21323332201232 its reverse (23210223332312), we get a palindrome (44533555533544).

The spelling of 21323332201232 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred thirty-two million, two hundred one thousand, two hundred thirty-two".