12168904903 has 2 divisors, whose sum is σ = 12168904904. Its totient is φ = 12168904902.

The previous prime is 12168904897. The next prime is 12168904973. The reversal of 12168904903 is 30940986121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12168904903 - 2¹³ = 12168896711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12168904903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12168904973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6084452451 + 6084452452.

It is an arithmetic number, because the mean of its divisors is an integer number (6084452452).

Almost surely, 2^12168904903 is an apocalyptic number.

12168904903 is a deficient number, since it is larger than the sum of its proper divisors (1).

12168904903 is an equidigital number, since it uses as much as digits as its factorization.

12168904903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 12168904903 in words is "twelve billion, one hundred sixty-eight million, nine hundred four thousand, nine hundred three".