12001231111113 has 12 divisors (see below), whose sum is σ = 17335233725680. Its totient is φ = 8000764377336.

The previous prime is 12001231111109. The next prime is 12001231111117. The reversal of 12001231111113 is 31111113210021.

It is an interprime number because it is at equal distance from previous prime (12001231111109) and next prime (12001231111117).

It is not a de Polignac number, because 12001231111113 - 2² = 12001231111109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12001231111117) 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 11 ways as a sum of consecutive naturals, for example, 3327403 + ... + 5922336.

Almost surely, 2^{12001231111113} is an apocalyptic number.

It is an amenable number.

12001231111113 is a deficient number, since it is larger than the sum of its proper divisors (5334002614567).

12001231111113 is a wasteful number, since it uses less digits than its factorization.

12001231111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393908 (or 9393905 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 12001231111113 its reverse (31111113210021), we get a palindrome (43112344321134).

The spelling of 12001231111113 in words is "twelve trillion, one billion, two hundred thirty-one million, one hundred eleven thousand, one hundred thirteen".