12131133042011 has 2 divisors, whose sum is σ = 12131133042012. Its totient is φ = 12131133042010.

The previous prime is 12131133042001. The next prime is 12131133042023. The reversal of 12131133042011 is 11024033113121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12131133042011 - 2¹⁰ = 12131133040987 is a prime.

It is not a weakly prime, because it can be changed into another prime (12131133042001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065566521005 + 6065566521006.

It is an arithmetic number, because the mean of its divisors is an integer number (6065566521006).

Almost surely, 2^{12131133042011} is an apocalyptic number.

12131133042011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131133042011 is an equidigital number, since it uses as much as digits as its factorization.

12131133042011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12131133042011 its reverse (11024033113121), we get a palindrome (23155166155132).

The spelling of 12131133042011 in words is "twelve trillion, one hundred thirty-one billion, one hundred thirty-three million, forty-two thousand, eleven".