12111202212011 has 32 divisors (see below), whose sum is σ = 14729710840320. Its totient is φ = 9726898867200.

The previous prime is 12111202212001. The next prime is 12111202212029. The reversal of 12111202212011 is 11021220211121.

It is a cyclic number.

It is not a de Polignac number, because 12111202212011 - 2²⁶ = 12111135103147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12111202212001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19444841 + ... + 20058021.

It is an arithmetic number, because the mean of its divisors is an integer number (460303463760).

Almost surely, 2^{12111202212011} is an apocalyptic number.

12111202212011 is a deficient number, since it is larger than the sum of its proper divisors (2618508628309).

12111202212011 is a wasteful number, since it uses less digits than its factorization.

12111202212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614835.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12111202212011 its reverse (11021220211121), we get a palindrome (23132422423132).

The spelling of 12111202212011 in words is "twelve trillion, one hundred eleven billion, two hundred two million, two hundred twelve thousand, eleven".