12131112011011 has 32 divisors (see below), whose sum is σ = 14436381712896. Its totient is φ = 9978958080000.

The previous prime is 12131112010939. The next prime is 12131112011041. The reversal of 12131112011011 is 11011021113121.

It is not a de Polignac number, because 12131112011011 - 2¹³ = 12131112002819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12131112011041) 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, 2459491 + ... + 5505571.

It is an arithmetic number, because the mean of its divisors is an integer number (451136928528).

Almost surely, 2^{12131112011011} is an apocalyptic number.

12131112011011 is a deficient number, since it is larger than the sum of its proper divisors (2305269701885).

12131112011011 is a wasteful number, since it uses less digits than its factorization.

12131112011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046363.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 12131112011011 its reverse (11011021113121), we get a palindrome (23142133124132).

The spelling of 12131112011011 in words is "twelve trillion, one hundred thirty-one billion, one hundred twelve million, eleven thousand, eleven".