12001120010111 has 24 divisors (see below), whose sum is σ = 12751788060000. Its totient is φ = 11292499915200.

The previous prime is 12001120010107. The next prime is 12001120010119. The reversal of 12001120010111 is 11101002110021.

It is not a de Polignac number, because 12001120010111 - 2² = 12001120010107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001120010092 and 12001120010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001120010119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509611565 + ... + 509635113.

It is an arithmetic number, because the mean of its divisors is an integer number (531324502500).

Almost surely, 2^{12001120010111} is an apocalyptic number.

12001120010111 is a deficient number, since it is larger than the sum of its proper divisors (750668049889).

12001120010111 is a wasteful number, since it uses less digits than its factorization.

12001120010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33087 (or 33068 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12001120010111 its reverse (11101002110021), we get a palindrome (23102122120132).

The spelling of 12001120010111 in words is "twelve trillion, one billion, one hundred twenty million, ten thousand, one hundred eleven".