12525230140 has 12 divisors (see below), whose sum is σ = 26302983336. Its totient is φ = 5010092048.

The previous prime is 12525230117. The next prime is 12525230149. The reversal of 12525230140 is 4103252521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525230149) 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 3 ways as a sum of consecutive naturals, for example, 313130734 + ... + 313130773.

It is an arithmetic number, because the mean of its divisors is an integer number (2191915278).

Almost surely, 2^12525230140 is an apocalyptic number.

12525230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12525230140 is an abundant number, since it is smaller than the sum of its proper divisors (13777753196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12525230140 is a wasteful number, since it uses less digits than its factorization.

12525230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626261516 (or 626261514 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12525230140 its reverse (4103252521), we get a palindrome (16628482661).

The spelling of 12525230140 in words is "twelve billion, five hundred twenty-five million, two hundred thirty thousand, one hundred forty".