12143153305 has 4 divisors (see below), whose sum is σ = 14571783972. Its totient is φ = 9714522640.

The previous prime is 12143153287. The next prime is 12143153317. The reversal of 12143153305 is 50335134121.

It is a happy number.

12143153305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6810210576 + 5332942729 = 82524^2 + 73027^2 .

It is not a de Polignac number, because 12143153305 - 2⁵ = 12143153273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214315326 + ... + 1214315335.

It is an arithmetic number, because the mean of its divisors is an integer number (3642945993).

Almost surely, 2^12143153305 is an apocalyptic number.

It is an amenable number.

12143153305 is a deficient number, since it is larger than the sum of its proper divisors (2428630667).

12143153305 is an equidigital number, since it uses as much as digits as its factorization.

12143153305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428630666.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 12143153305 its reverse (50335134121), we get a palindrome (62478287426).

The spelling of 12143153305 in words is "twelve billion, one hundred forty-three million, one hundred fifty-three thousand, three hundred five".