32012244421021 has 4 divisors (see below), whose sum is σ = 32012297463132. Its totient is φ = 32012191378912.

The previous prime is 32012244420997. The next prime is 32012244421043. The reversal of 32012244421021 is 12012444221023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7753802239225 + 24258442181796 = 2784565^2 + 4925286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32012244421021 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 (32012244421081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25605226 + ... + 26826331.

It is an arithmetic number, because the mean of its divisors is an integer number (8003074365783).

Almost surely, 2^{32012244421021} is an apocalyptic number.

It is an amenable number.

32012244421021 is a deficient number, since it is larger than the sum of its proper divisors (53042111).

32012244421021 is an equidigital number, since it uses as much as digits as its factorization.

32012244421021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53042110.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 32012244421021 its reverse (12012444221023), we get a palindrome (44024688642044).

The spelling of 32012244421021 in words is "thirty-two trillion, twelve billion, two hundred forty-four million, four hundred twenty-one thousand, twenty-one".