21233210032 has 20 divisors (see below), whose sum is σ = 41401383376. Its totient is φ = 10548982080.

The previous prime is 21233210027. The next prime is 21233210041. The reversal of 21233210032 is 23001233212.

It is a junction number, because it is equal to n+sod(n) for n = 21233209991 and 21233210009.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4223844 + ... + 4228867.

Almost surely, 2^21233210032 is an apocalyptic number.

It is an amenable number.

21233210032 is a deficient number, since it is larger than the sum of its proper divisors (20168173344).

21233210032 is a wasteful number, since it uses less digits than its factorization.

21233210032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452876 (or 8452870 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21233210032 its reverse (23001233212), we get a palindrome (44234443244).

The spelling of 21233210032 in words is "twenty-one billion, two hundred thirty-three million, two hundred ten thousand, thirty-two".