12666347468 has 24 divisors (see below), whose sum is σ = 22468223232. Its totient is φ = 6247093904.

The previous prime is 12666347431. The next prime is 12666347483. The reversal of 12666347468 is 86474366621.

It is a super-2 number, since 2×12666347468² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185321 + ... + 244287.

It is an arithmetic number, because the mean of its divisors is an integer number (936175968).

Almost surely, 2^12666347468 is an apocalyptic number.

It is an amenable number.

12666347468 is a deficient number, since it is larger than the sum of its proper divisors (9801875764).

12666347468 is a wasteful number, since it uses less digits than its factorization.

12666347468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59701 (or 59699 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 53.

The spelling of 12666347468 in words is "twelve billion, six hundred sixty-six million, three hundred forty-seven thousand, four hundred sixty-eight".