844412012012 has 6 divisors (see below), whose sum is σ = 1477721021028. Its totient is φ = 422206006004.

The previous prime is 844412012011. The next prime is 844412012069. The reversal of 844412012012 is 210210214448.

It is not an unprimeable number, because it can be changed into a prime (844412012011) 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 as a sum of consecutive naturals, namely, 105551501498 + ... + 105551501505.

It is an arithmetic number, because the mean of its divisors is an integer number (246286836838).

Almost surely, 2^844412012012 is an apocalyptic number.

It is an amenable number.

844412012012 is a deficient number, since it is larger than the sum of its proper divisors (633309009016).

844412012012 is a wasteful number, since it uses less digits than its factorization.

844412012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211103003007 (or 211103003005 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The spelling of 844412012012 in words is "eight hundred forty-four billion, four hundred twelve million, twelve thousand, twelve".