12000444000 has 96 divisors (see below), whose sum is σ = 39313493856. Its totient is φ = 3200115200.

The previous prime is 12000443971. The next prime is 12000444019. The reversal of 12000444000 is 44400021.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

12000444000 is a modest number, since divided by 444000 gives 12000 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488019 + ... + 512018.

It is an arithmetic number, because the mean of its divisors is an integer number (409515561).

Almost surely, 2^12000444000 is an apocalyptic number.

12000444000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000444000 is an abundant number, since it is smaller than the sum of its proper divisors (27313049856).

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

12000444000 is a wasteful number, since it uses less digits than its factorization.

12000444000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000065 (or 1000047 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 12000444000 its reverse (44400021), we get a palindrome (12044844021).

The spelling of 12000444000 in words is "twelve billion, four hundred forty-four thousand".