12530848205 has 8 divisors (see below), whose sum is σ = 15048583704. Its totient is φ = 10016968000.

The previous prime is 12530848171. The next prime is 12530848207. The reversal of 12530848205 is 50284803521.

It can be written as a sum of positive squares in 4 ways, for example, as 178970884 + 12351877321 = 13378^2 + 111139^2 .

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

It is not a de Polignac number, because 12530848205 - 2¹⁰ = 12530847181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530848207) 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, 956666 + ... + 969675.

It is an arithmetic number, because the mean of its divisors is an integer number (1881072963).

Almost surely, 2^12530848205 is an apocalyptic number.

It is an amenable number.

12530848205 is a deficient number, since it is larger than the sum of its proper divisors (2517735499).

12530848205 is a wasteful number, since it uses less digits than its factorization.

12530848205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927647.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 12530848205 in words is "twelve billion, five hundred thirty million, eight hundred forty-eight thousand, two hundred five".