12666517348 has 12 divisors (see below), whose sum is σ = 22167763632. Its totient is φ = 6332870600.

The previous prime is 12666517321. The next prime is 12666517351. The reversal of 12666517348 is 84371566621.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16078 + ... + 159973.

It is an arithmetic number, because the mean of its divisors is an integer number (1847313636).

Almost surely, 2^12666517348 is an apocalyptic number.

It is an amenable number.

12666517348 is a deficient number, since it is larger than the sum of its proper divisors (9501246284).

12666517348 is a wasteful number, since it uses less digits than its factorization.

12666517348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194042 (or 194040 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The spelling of 12666517348 in words is "twelve billion, six hundred sixty-six million, five hundred seventeen thousand, three hundred forty-eight".