12103041178 has 4 divisors (see below), whose sum is σ = 18154561770. Its totient is φ = 6051520588.

The previous prime is 12103041161. The next prime is 12103041179. The reversal of 12103041178 is 87114030121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11020170529 + 1082870649 = 104977^2 + 32907^2 .

It is not an unprimeable number, because it can be changed into a prime (12103041179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025760293 + ... + 3025760296.

Almost surely, 2^12103041178 is an apocalyptic number.

12103041178 is a deficient number, since it is larger than the sum of its proper divisors (6051520592).

12103041178 is an equidigital number, since it uses as much as digits as its factorization.

12103041178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051520591.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 12103041178 its reverse (87114030121), we get a palindrome (99217071299).

The spelling of 12103041178 in words is "twelve billion, one hundred three million, forty-one thousand, one hundred seventy-eight".