12001332032111 has 16 divisors (see below), whose sum is σ = 12126378393600. Its totient is φ = 11877015808800.

The previous prime is 12001332032077. The next prime is 12001332032143. The reversal of 12001332032111 is 11123023310021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12001332032111 - 2³⁰ = 12000258290287 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 (12001332032161) 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, 55834916 + ... + 56049446.

It is an arithmetic number, because the mean of its divisors is an integer number (757898649600).

Almost surely, 2^{12001332032111} is an apocalyptic number.

12001332032111 is a deficient number, since it is larger than the sum of its proper divisors (125046361489).

12001332032111 is a wasteful number, since it uses less digits than its factorization.

12001332032111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216230.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12001332032111 its reverse (11123023310021), we get a palindrome (23124355342132).

The spelling of 12001332032111 in words is "twelve trillion, one billion, three hundred thirty-two million, thirty-two thousand, one hundred eleven".