12168395403 has 8 divisors (see below), whose sum is σ = 16239402816. Its totient is φ = 8104825800.

The previous prime is 12168395401. The next prime is 12168395419. The reversal of 12168395403 is 30459386121.

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

It is not a de Polignac number, because 12168395403 - 2¹ = 12168395401 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12168395401) 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 7 ways as a sum of consecutive naturals, for example, 1855633 + ... + 1862178.

It is an arithmetic number, because the mean of its divisors is an integer number (2029925352).

Almost surely, 2^12168395403 is an apocalyptic number.

12168395403 is a deficient number, since it is larger than the sum of its proper divisors (4071007413).

12168395403 is a wasteful number, since it uses less digits than its factorization.

12168395403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718905.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 12168395403 in words is "twelve billion, one hundred sixty-eight million, three hundred ninety-five thousand, four hundred three".