12506206163 has 8 divisors (see below), whose sum is σ = 14361193920. Its totient is φ = 10770895080.

The previous prime is 12506206159. The next prime is 12506206187. The reversal of 12506206163 is 36160260521.

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

It is not a de Polignac number, because 12506206163 - 2² = 12506206159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12506206663) 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, 29918945 + ... + 29919362.

It is an arithmetic number, because the mean of its divisors is an integer number (1795149240).

Almost surely, 2^12506206163 is an apocalyptic number.

12506206163 is a deficient number, since it is larger than the sum of its proper divisors (1854987757).

12506206163 is a wasteful number, since it uses less digits than its factorization.

12506206163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59838337.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 12506206163 its reverse (36160260521), we get a palindrome (48666466684).

The spelling of 12506206163 in words is "twelve billion, five hundred six million, two hundred six thousand, one hundred sixty-three".