12667127825 has 12 divisors (see below), whose sum is σ = 17135169648. Its totient is φ = 9212456400.

The previous prime is 12667127789. The next prime is 12667127843. The reversal of 12667127825 is 52872176621.

It is a de Polignac number, because none of the positive numbers 2^k-12667127825 is a prime.

It is a super-2 number, since 2×12667127825² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12667127825.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23030867 + ... + 23031416.

It is an arithmetic number, because the mean of its divisors is an integer number (1427930804).

Almost surely, 2^12667127825 is an apocalyptic number.

It is an amenable number.

12667127825 is a deficient number, since it is larger than the sum of its proper divisors (4468041823).

12667127825 is a wasteful number, since it uses less digits than its factorization.

12667127825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46062304 (or 46062299 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The spelling of 12667127825 in words is "twelve billion, six hundred sixty-seven million, one hundred twenty-seven thousand, eight hundred twenty-five".