12530725306 has 16 divisors (see below), whose sum is σ = 20507406048. Its totient is φ = 5695066800.

The previous prime is 12530725297. The next prime is 12530725349. The reversal of 12530725306 is 60352703521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168676 + ... + 231328.

It is an arithmetic number, because the mean of its divisors is an integer number (1281712878).

Almost surely, 2^12530725306 is an apocalyptic number.

12530725306 is a deficient number, since it is larger than the sum of its proper divisors (7976680742).

12530725306 is a wasteful number, since it uses less digits than its factorization.

12530725306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71757.

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 12530725306 in words is "twelve billion, five hundred thirty million, seven hundred twenty-five thousand, three hundred six".