12168478303 has 4 divisors (see below), whose sum is σ = 12174513280. Its totient is φ = 12162443328.

The previous prime is 12168478291. The next prime is 12168478321. The reversal of 12168478303 is 30387486121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30387486121 = 29 ⋅1047844349.

It is a cyclic number.

It is not a de Polignac number, because 12168478303 - 2⁹ = 12168477791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12168478303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12168478103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014463 + ... + 3018496.

It is an arithmetic number, because the mean of its divisors is an integer number (3043628320).

Almost surely, 2^12168478303 is an apocalyptic number.

12168478303 is a deficient number, since it is larger than the sum of its proper divisors (6034977).

12168478303 is an equidigital number, since it uses as much as digits as its factorization.

12168478303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034976.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 12168478303 in words is "twelve billion, one hundred sixty-eight million, four hundred seventy-eight thousand, three hundred three".