12005005344 has 48 divisors (see below), whose sum is σ = 31944844512. Its totient is φ = 3946848768.

The previous prime is 12005005343. The next prime is 12005005349. The reversal of 12005005344 is 44350050021.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12005005343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849514 + ... + 863529.

It is an arithmetic number, because the mean of its divisors is an integer number (665517594).

Almost surely, 2^12005005344 is an apocalyptic number.

It is an amenable number.

12005005344 is an abundant number, since it is smaller than the sum of its proper divisors (19939839168).

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

12005005344 is a wasteful number, since it uses less digits than its factorization.

12005005344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713129 (or 1713121 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 12005005344 its reverse (44350050021), we get a palindrome (56355055365).

The spelling of 12005005344 in words is "twelve billion, five million, five thousand, three hundred forty-four".