12316232011243 has 4 divisors (see below), whose sum is σ = 12649103146720. Its totient is φ = 11983360875768.

The previous prime is 12316232011241. The next prime is 12316232011277. The reversal of 12316232011243 is 34211023261321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12316232011243 - 2¹ = 12316232011241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12316232011241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166435567683 + ... + 166435567756.

It is an arithmetic number, because the mean of its divisors is an integer number (3162275786680).

Almost surely, 2^{12316232011243} is an apocalyptic number.

12316232011243 is a deficient number, since it is larger than the sum of its proper divisors (332871135477).

12316232011243 is an equidigital number, since it uses as much as digits as its factorization.

12316232011243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332871135476.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 12316232011243 its reverse (34211023261321), we get a palindrome (46527255272564).

The spelling of 12316232011243 in words is "twelve trillion, three hundred sixteen billion, two hundred thirty-two million, eleven thousand, two hundred forty-three".