12012102200111 has 64 divisors (see below), whose sum is σ = 13956707721600. Its totient is φ = 10246187114496.

The previous prime is 12012102200107. The next prime is 12012102200113. The reversal of 12012102200111 is 11100220121021.

It is a cyclic number.

It is not a de Polignac number, because 12012102200111 - 2² = 12012102200107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012102200113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 664487405 + ... + 664505481.

It is an arithmetic number, because the mean of its divisors is an integer number (218073558150).

Almost surely, 2^{12012102200111} is an apocalyptic number.

12012102200111 is a deficient number, since it is larger than the sum of its proper divisors (1944605521489).

12012102200111 is a wasteful number, since it uses less digits than its factorization.

12012102200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18588.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12012102200111 its reverse (11100220121021), we get a palindrome (23112322321132).

The spelling of 12012102200111 in words is "twelve trillion, twelve billion, one hundred two million, two hundred thousand, one hundred eleven".