12525139000 has 64 divisors (see below), whose sum is σ = 31973292000. Its totient is φ = 4554592000.

The previous prime is 12525138961. The next prime is 12525139001. The reversal of 12525139000 is 93152521.

12525139000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12525139000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525139001) 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, 558325 + ... + 580324.

Almost surely, 2^12525139000 is an apocalyptic number.

12525139000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12525139000 is an abundant number, since it is smaller than the sum of its proper divisors (19448153000).

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

12525139000 is a wasteful number, since it uses less digits than its factorization.

12525139000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138681 (or 1138667 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

It can be divided in two parts, 12525 and 139000, that added together give a triangular number (151525 = T₅₅₀).

The spelling of 12525139000 in words is "twelve billion, five hundred twenty-five million, one hundred thirty-nine thousand".