12131101132011 has 12 divisors (see below), whose sum is σ = 17930206324888. Its totient is φ = 7899321667104.

The previous prime is 12131101132001. The next prime is 12131101132027. The reversal of 12131101132011 is 11023110113121.

12131101132011 is a `hidden beast` number, since 1 + 21 + 311 + 0 + 1 + 1 + 320 + 11 = 666.

It is not a de Polignac number, because 12131101132011 - 2²⁹ = 12130564261099 is a prime.

It is a super-2 number, since 2×12131101132011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12131101132001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15673256890 + ... + 15673257663.

Almost surely, 2^{12131101132011} is an apocalyptic number.

12131101132011 is a deficient number, since it is larger than the sum of its proper divisors (5799105192877).

12131101132011 is a wasteful number, since it uses less digits than its factorization.

12131101132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31346514602 (or 31346514599 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 12131101132011 its reverse (11023110113121), we get a palindrome (23154211245132).

The spelling of 12131101132011 in words is "twelve trillion, one hundred thirty-one billion, one hundred one million, one hundred thirty-two thousand, eleven".