12471178196 has 18 divisors (see below), whose sum is σ = 22155195258. Its totient is φ = 6142511760.

The previous prime is 12471178193. The next prime is 12471178229. The reversal of 12471178196 is 69187117421.

It can be written as a sum of positive squares in only one way, i.e., 10208273296 + 2262904900 = 101036^2 + 47570^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12471178196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471178193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329315 + ... + 365226.

It is an arithmetic number, because the mean of its divisors is an integer number (1230844181).

Almost surely, 2^12471178196 is an apocalyptic number.

It is an amenable number.

12471178196 is a deficient number, since it is larger than the sum of its proper divisors (9684017062).

12471178196 is an equidigital number, since it uses as much as digits as its factorization.

12471178196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694679 (or 694610 counting only the distinct ones).

The product of its digits is 169344, while the sum is 47.

The spelling of 12471178196 in words is "twelve billion, four hundred seventy-one million, one hundred seventy-eight thousand, one hundred ninety-six".