443215023012 has 72 divisors (see below), whose sum is σ = 1142624017080. Its totient is φ = 144806538240.

The previous prime is 443215023001. The next prime is 443215023019. The reversal of 443215023012 is 210320512344.

443215023012 is a `hidden beast` number, since 443 + 215 + 0 + 2 + 3 + 0 + 1 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11912849316 + 431302173696 = 109146^2 + 656736^2 .

It is not an unprimeable number, because it can be changed into a prime (443215023019) 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 23 ways as a sum of consecutive naturals, for example, 1810062 + ... + 2040282.

It is an arithmetic number, because the mean of its divisors is an integer number (15869778015).

Almost surely, 2^443215023012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 443215023012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571312008540).

443215023012 is an abundant number, since it is smaller than the sum of its proper divisors (699408994068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443215023012 is a wasteful number, since it uses less digits than its factorization.

443215023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231293 (or 231288 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 443215023012 its reverse (210320512344), we get a palindrome (653535535356).

The spelling of 443215023012 in words is "four hundred forty-three billion, two hundred fifteen million, twenty-three thousand, twelve".