12162317123 has 16 divisors (see below), whose sum is σ = 14122045440. Its totient is φ = 10351747200.

The previous prime is 12162317117. The next prime is 12162317143. The reversal of 12162317123 is 32171326121.

It is a cyclic number.

It is not a de Polignac number, because 12162317123 - 2⁸ = 12162316867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12162317113) 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 15 ways as a sum of consecutive naturals, for example, 134543 + ... + 205976.

It is an arithmetic number, because the mean of its divisors is an integer number (882627840).

Almost surely, 2^12162317123 is an apocalyptic number.

12162317123 is a deficient number, since it is larger than the sum of its proper divisors (1959728317).

12162317123 is a wasteful number, since it uses less digits than its factorization.

12162317123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340738.

The product of its digits is 3024, while the sum is 29.

The spelling of 12162317123 in words is "twelve billion, one hundred sixty-two million, three hundred seventeen thousand, one hundred twenty-three".