12012011110001 has 16 divisors (see below), whose sum is σ = 13871341102080. Its totient is φ = 10188750265920.

The previous prime is 12012011109997. The next prime is 12012011110031. The reversal of 12012011110001 is 10001111021021.

It is a cyclic number.

It is not a de Polignac number, because 12012011110001 - 2² = 12012011109997 is a prime.

It is a super-2 number, since 2×12012011110001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12012011110031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9268385 + ... + 10484606.

It is an arithmetic number, because the mean of its divisors is an integer number (866958818880).

Almost surely, 2^{12012011110001} is an apocalyptic number.

It is an amenable number.

12012011110001 is a deficient number, since it is larger than the sum of its proper divisors (1859329992079).

12012011110001 is a wasteful number, since it uses less digits than its factorization.

12012011110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19753904.

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

Adding to 12012011110001 its reverse (10001111021021), we get a palindrome (22013122131022).

The spelling of 12012011110001 in words is "twelve trillion, twelve billion, eleven million, one hundred ten thousand, one".