12666132351 has 32 divisors (see below), whose sum is σ = 18968083200. Its totient is φ = 8352698400.

The previous prime is 12666132343. The next prime is 12666132373. The reversal of 12666132351 is 15323166621.

It is not a de Polignac number, because 12666132351 - 2³ = 12666132343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12666132751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5395560 + ... + 5397906.

It is an arithmetic number, because the mean of its divisors is an integer number (592752600).

Almost surely, 2^12666132351 is an apocalyptic number.

12666132351 is a deficient number, since it is larger than the sum of its proper divisors (6301950849).

12666132351 is a wasteful number, since it uses less digits than its factorization.

12666132351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436 (or 4430 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 12666132351 its reverse (15323166621), we get a palindrome (27989298972).

The spelling of 12666132351 in words is "twelve billion, six hundred sixty-six million, one hundred thirty-two thousand, three hundred fifty-one".