32112232221 has 8 divisors (see below), whose sum is σ = 42817498144. Its totient is φ = 21407560560.

The previous prime is 32112232211. The next prime is 32112232223. The reversal of 32112232221 is 12223221123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32112232221 - 2¹⁹ = 32111707933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32112232223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1750 + ... + 253431.

It is an arithmetic number, because the mean of its divisors is an integer number (5352187268).

Almost surely, 2^32112232221 is an apocalyptic number.

It is an amenable number.

32112232221 is a deficient number, since it is larger than the sum of its proper divisors (10705265923).

32112232221 is a wasteful number, since it uses less digits than its factorization.

32112232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297131.

The product of its digits is 576, while the sum is 21.

Adding to 32112232221 its reverse (12223221123), we get a palindrome (44335453344).

The spelling of 32112232221 in words is "thirty-two billion, one hundred twelve million, two hundred thirty-two thousand, two hundred twenty-one".