12512939236 has 12 divisors (see below), whose sum is σ = 25025878528. Its totient is φ = 5362688232.

The previous prime is 12512939209. The next prime is 12512939237. The reversal of 12512939236 is 63293921521.

12512939236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12512939236 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12512939192 and 12512939201.

It is not an unprimeable number, because it can be changed into a prime (12512939237) 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 3 ways as a sum of consecutive naturals, for example, 223445316 + ... + 223445371.

Almost surely, 2^12512939236 is an apocalyptic number.

It is an amenable number.

12512939236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12512939236 is a wasteful number, since it uses less digits than its factorization.

12512939236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446890698 (or 446890696 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The spelling of 12512939236 in words is "twelve billion, five hundred twelve million, nine hundred thirty-nine thousand, two hundred thirty-six".