12005443053 has 8 divisors (see below), whose sum is σ = 17785841600. Its totient is φ = 8003628684.

The previous prime is 12005443031. The next prime is 12005443069. The reversal of 12005443053 is 35034450021.

It is not a de Polignac number, because 12005443053 - 2⁸ = 12005442797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 444646039 = 12005443053 / (1 + 2 + 0 + 0 + 5 + 4 + 4 + 3 + 0 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005443753) 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, 222322993 + ... + 222323046.

It is an arithmetic number, because the mean of its divisors is an integer number (2223230200).

Almost surely, 2^12005443053 is an apocalyptic number.

It is an amenable number.

12005443053 is a deficient number, since it is larger than the sum of its proper divisors (5780398547).

12005443053 is an equidigital number, since it uses as much as digits as its factorization.

12005443053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444646048 (or 444646042 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 12005443053 its reverse (35034450021), we get a palindrome (47039893074).

The spelling of 12005443053 in words is "twelve billion, five million, four hundred forty-three thousand, fifty-three".