4443112421012 has 6 divisors (see below), whose sum is σ = 7775446736778. Its totient is φ = 2221556210504.

The previous prime is 4443112420951. The next prime is 4443112421047. The reversal of 4443112421012 is 2101242113444.

It can be written as a sum of positive squares in only one way, i.e., 4017635395216 + 425477025796 = 2004404^2 + 652286^2 .

It is a super-2 number, since 2×4443112421012² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 555389052623 + ... + 555389052630.

It is an arithmetic number, because the mean of its divisors is an integer number (1295907789463).

Almost surely, 2^{4443112421012} is an apocalyptic number.

It is an amenable number.

4443112421012 is a deficient number, since it is larger than the sum of its proper divisors (3332334315766).

4443112421012 is a wasteful number, since it uses less digits than its factorization.

4443112421012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110778105257 (or 1110778105255 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 4443112421012 its reverse (2101242113444), we get a palindrome (6544354534456).

The spelling of 4443112421012 in words is "four trillion, four hundred forty-three billion, one hundred twelve million, four hundred twenty-one thousand, twelve".