12506693468508 has 72 divisors (see below), whose sum is σ = 32804754597888. Its totient is φ = 4166390430576.

The previous prime is 12506693468491. The next prime is 12506693468557. The reversal of 12506693468508 is 80586439660521.

It is a happy number.

12506693468508 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 6 + 69 + 3 + 4 + 68 + 508 = 666.

12506693468508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2252166 + ... + 5485037.

Almost surely, 2^{12506693468508} is an apocalyptic number.

12506693468508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12506693468508 is an abundant number, since it is smaller than the sum of its proper divisors (20298061129380).

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

12506693468508 is a wasteful number, since it uses less digits than its factorization.

12506693468508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738885 (or 7738871 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 12506693468508 in words is "twelve trillion, five hundred six billion, six hundred ninety-three million, four hundred sixty-eight thousand, five hundred eight".