32212330021 has 4 divisors (see below), whose sum is σ = 32281903552. Its totient is φ = 32142756492.

The previous prime is 32212330009. The next prime is 32212330063. The reversal of 32212330021 is 12003321223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32212330021 - 2²⁷ = 32078112293 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 (32212330081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34786071 + ... + 34786996.

It is an arithmetic number, because the mean of its divisors is an integer number (8070475888).

Almost surely, 2^32212330021 is an apocalyptic number.

It is an amenable number.

32212330021 is a deficient number, since it is larger than the sum of its proper divisors (69573531).

32212330021 is an equidigital number, since it uses as much as digits as its factorization.

32212330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69573530.

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

Adding to 32212330021 its reverse (12003321223), we get a palindrome (44215651244).

The spelling of 32212330021 in words is "thirty-two billion, two hundred twelve million, three hundred thirty thousand, twenty-one".