12012231230101 has 2 divisors, whose sum is σ = 12012231230102. Its totient is φ = 12012231230100.

The previous prime is 12012231230039. The next prime is 12012231230117. The reversal of 12012231230101 is 10103213221021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11670415607601 + 341815622500 = 3416199^2 + 584650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012231230101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012231230141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006115615050 + 6006115615051.

It is an arithmetic number, because the mean of its divisors is an integer number (6006115615051).

Almost surely, 2^{12012231230101} is an apocalyptic number.

It is an amenable number.

12012231230101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012231230101 is an equidigital number, since it uses as much as digits as its factorization.

12012231230101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12012231230101 its reverse (10103213221021), we get a palindrome (22115444451122).

The spelling of 12012231230101 in words is "twelve trillion, twelve billion, two hundred thirty-one million, two hundred thirty thousand, one hundred one".