12163316243 has 16 divisors (see below), whose sum is σ = 13189564416. Its totient is φ = 11150140320.

The previous prime is 12163316233. The next prime is 12163316293. The reversal of 12163316243 is 34261336121.

It is a cyclic number.

It is not a de Polignac number, because 12163316243 - 2⁸ = 12163315987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12163316233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3348038 + ... + 3351668.

It is an arithmetic number, because the mean of its divisors is an integer number (824347776).

Almost surely, 2^12163316243 is an apocalyptic number.

12163316243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12163316243 is a deficient number, since it is larger than the sum of its proper divisors (1026248173).

12163316243 is a wasteful number, since it uses less digits than its factorization.

12163316243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354.

The product of its digits is 15552, while the sum is 32.

The spelling of 12163316243 in words is "twelve billion, one hundred sixty-three million, three hundred sixteen thousand, two hundred forty-three".