12643133005 has 8 divisors (see below), whose sum is σ = 15831401472. Its totient is φ = 9674745168.

The previous prime is 12643133003. The next prime is 12643133021. The reversal of 12643133005 is 50033134621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12643133005 - 2¹ = 12643133003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12643133003) 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 in 7 ways as a sum of consecutive naturals, for example, 54970029 + ... + 54970258.

It is an arithmetic number, because the mean of its divisors is an integer number (1978925184).

Almost surely, 2^12643133005 is an apocalyptic number.

It is an amenable number.

12643133005 is a deficient number, since it is larger than the sum of its proper divisors (3188268467).

12643133005 is a wasteful number, since it uses less digits than its factorization.

12643133005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109940315.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 12643133005 its reverse (50033134621), we get a palindrome (62676267626).

The spelling of 12643133005 in words is "twelve billion, six hundred forty-three million, one hundred thirty-three thousand, five".