12520125036 has 72 divisors (see below), whose sum is σ = 32001758880. Its totient is φ = 4126857984.

The previous prime is 12520124987. The next prime is 12520125053. The reversal of 12520125036 is 63052102521.

It is a happy number.

12520125036 is a `hidden beast` number, since 12 + 520 + 125 + 0 + 3 + 6 = 666.

12520125036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3071896 + ... + 3075968.

Almost surely, 2^12520125036 is an apocalyptic number.

It is an amenable number.

12520125036 is an abundant number, since it is smaller than the sum of its proper divisors (19481633844).

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

12520125036 is a wasteful number, since it uses less digits than its factorization.

12520125036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015 (or 5010 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 12520125036 its reverse (63052102521), we get a palindrome (75572227557).

The spelling of 12520125036 in words is "twelve billion, five hundred twenty million, one hundred twenty-five thousand, thirty-six".