12935478176 has 12 divisors (see below), whose sum is σ = 25466722722. Its totient is φ = 6467739072.

The previous prime is 12935478173. The next prime is 12935478239. The reversal of 12935478176 is 67187453921.

It can be written as a sum of positive squares in only one way, i.e., 12876802576 + 58675600 = 113476^2 + 7660^2 .

It is not an unprimeable number, because it can be changed into a prime (12935478173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202116815 + ... + 202116878.

Almost surely, 2^12935478176 is an apocalyptic number.

12935478176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12935478176 is a deficient number, since it is larger than the sum of its proper divisors (12531244546).

12935478176 is an equidigital number, since it uses as much as digits as its factorization.

12935478176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404233703 (or 404233695 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The spelling of 12935478176 in words is "twelve billion, nine hundred thirty-five million, four hundred seventy-eight thousand, one hundred seventy-six".