12509348530 has 32 divisors (see below), whose sum is σ = 25742012544. Its totient is φ = 4287503616.

The previous prime is 12509348519. The next prime is 12509348539. The reversal of 12509348530 is 3584390521.

12509348530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12509348539) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 196314 + ... + 252106.

It is an arithmetic number, because the mean of its divisors is an integer number (804437892).

Almost surely, 2^12509348530 is an apocalyptic number.

12509348530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12509348530 is an abundant number, since it is smaller than the sum of its proper divisors (13232664014).

12509348530 is a wasteful number, since it uses less digits than its factorization.

12509348530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59010.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 12509348530 in words is "twelve billion, five hundred nine million, three hundred forty-eight thousand, five hundred thirty".