12578410516 has 12 divisors (see below), whose sum is σ = 25156821088. Its totient is φ = 5390747352.

The previous prime is 12578410501. The next prime is 12578410543. The reversal of 12578410516 is 61501487521.

12578410516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12578410516 is an admirable number.

It is a super-2 number, since 2×12578410516² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 224614446 + ... + 224614501.

Almost surely, 2^12578410516 is an apocalyptic number.

It is an amenable number.

12578410516 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.

12578410516 is a wasteful number, since it uses less digits than its factorization.

12578410516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449228958 (or 449228956 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 12578410516 in words is "twelve billion, five hundred seventy-eight million, four hundred ten thousand, five hundred sixteen".