443212341132221 has 4 divisors (see below), whose sum is σ = 443331260465472. Its totient is φ = 443093421798972.

The previous prime is 443212341132173. The next prime is 443212341132283. The reversal of 443212341132221 is 122231143212344.

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 443212341132221 - 2⁶ = 443212341132157 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 (443212341132521) 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, 59459661035 + ... + 59459668488.

It is an arithmetic number, because the mean of its divisors is an integer number (110832815116368).

Almost surely, 2^{443212341132221} is an apocalyptic number.

It is an amenable number.

443212341132221 is a deficient number, since it is larger than the sum of its proper divisors (118919333251).

443212341132221 is a wasteful number, since it uses less digits than its factorization.

443212341132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118919333250.

The product of its digits is 55296, while the sum is 35.

Adding to 443212341132221 its reverse (122231143212344), we get a palindrome (565443484344565).

The spelling of 443212341132221 in words is "four hundred forty-three trillion, two hundred twelve billion, three hundred forty-one million, one hundred thirty-two thousand, two hundred twenty-one".