443212131322 has 4 divisors (see below), whose sum is σ = 664818196986. Its totient is φ = 221606065660.

The previous prime is 443212131317. The next prime is 443212131343. The reversal of 443212131322 is 223131212344.

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

It can be written as a sum of positive squares in only one way, i.e., 430347808081 + 12864323241 = 656009^2 + 113421^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110803032829 + ... + 110803032832.

Almost surely, 2^443212131322 is an apocalyptic number.

443212131322 is a deficient number, since it is larger than the sum of its proper divisors (221606065664).

443212131322 is a wasteful number, since it uses less digits than its factorization.

443212131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221606065663.

The product of its digits is 6912, while the sum is 28.

Adding to 443212131322 its reverse (223131212344), we get a palindrome (666343343666).

The spelling of 443212131322 in words is "four hundred forty-three billion, two hundred twelve million, one hundred thirty-one thousand, three hundred twenty-two".