12168150409 has 2 divisors, whose sum is σ = 12168150410. Its totient is φ = 12168150408.

The previous prime is 12168150403. The next prime is 12168150413. The reversal of 12168150409 is 90405186121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7943800384 + 4224350025 = 89128^2 + 64995^2 .

It is a cyclic number.

It is not a de Polignac number, because 12168150409 - 2⁵ = 12168150377 is a prime.

It is not a weakly prime, because it can be changed into another prime (12168150403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6084075204 + 6084075205.

It is an arithmetic number, because the mean of its divisors is an integer number (6084075205).

Almost surely, 2^12168150409 is an apocalyptic number.

It is an amenable number.

12168150409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12168150409 is an equidigital number, since it uses as much as digits as its factorization.

12168150409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 12168150409 in words is "twelve billion, one hundred sixty-eight million, one hundred fifty thousand, four hundred nine".