12012231020123 has 2 divisors, whose sum is σ = 12012231020124. Its totient is φ = 12012231020122.

The previous prime is 12012231020077. The next prime is 12012231020171. The reversal of 12012231020123 is 32102013221021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12012231020123 - 2¹⁴ = 12012231003739 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12012231020095 and 12012231020104.

It is not a weakly prime, because it can be changed into another prime (12012231020323) 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 as a sum of consecutive naturals, namely, 6006115510061 + 6006115510062.

It is an arithmetic number, because the mean of its divisors is an integer number (6006115510062).

Almost surely, 2^{12012231020123} is an apocalyptic number.

12012231020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012231020123 is an equidigital number, since it uses as much as digits as its factorization.

12012231020123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12012231020123 its reverse (32102013221021), we get a palindrome (44114244241144).

The spelling of 12012231020123 in words is "twelve trillion, twelve billion, two hundred thirty-one million, twenty thousand, one hundred twenty-three".