12936168386 has 8 divisors (see below), whose sum is σ = 19413994764. Its totient is φ = 6464836800.

The previous prime is 12936168367. The next prime is 12936168403. The reversal of 12936168386 is 68386163921.

It can be written as a sum of positive squares in 2 ways, for example, as 12934740361 + 1428025 = 113731^2 + 1195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618715 + ... + 1626686.

Almost surely, 2^12936168386 is an apocalyptic number.

12936168386 is a deficient number, since it is larger than the sum of its proper divisors (6477826378).

12936168386 is a wasteful number, since it uses less digits than its factorization.

12936168386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247396.

The product of its digits is 2239488, while the sum is 53.

The spelling of 12936168386 in words is "twelve billion, nine hundred thirty-six million, one hundred sixty-eight thousand, three hundred eighty-six".