12547081107 has 12 divisors (see below), whose sum is σ = 19771158264. Its totient is φ = 7604291520.

The previous prime is 12547081093. The next prime is 12547081111. The reversal of 12547081107 is 70118074521.

12547081107 is a `hidden beast` number, since 1 + 2 + 5 + 470 + 81 + 107 = 666.

It is not a de Polignac number, because 12547081107 - 2¹¹ = 12547079059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12547081117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63368998 + ... + 63369195.

It is an arithmetic number, because the mean of its divisors is an integer number (1647596522).

Almost surely, 2^12547081107 is an apocalyptic number.

12547081107 is a deficient number, since it is larger than the sum of its proper divisors (7224077157).

12547081107 is a wasteful number, since it uses less digits than its factorization.

12547081107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126738210 (or 126738207 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The spelling of 12547081107 in words is "twelve billion, five hundred forty-seven million, eighty-one thousand, one hundred seven".