12013031332111 has 4 divisors (see below), whose sum is σ = 12292404153832. Its totient is φ = 11733658510392.

The previous prime is 12013031332109. The next prime is 12013031332151. The reversal of 12013031332111 is 11123313031021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12013031332111 - 2¹ = 12013031332109 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 (12013031332151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139686410796 + ... + 139686410881.

It is an arithmetic number, because the mean of its divisors is an integer number (3073101038458).

Almost surely, 2^{12013031332111} is an apocalyptic number.

12013031332111 is a deficient number, since it is larger than the sum of its proper divisors (279372821721).

12013031332111 is an equidigital number, since it uses as much as digits as its factorization.

12013031332111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279372821720.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12013031332111 its reverse (11123313031021), we get a palindrome (23136344363132).

The spelling of 12013031332111 in words is "twelve trillion, thirteen billion, thirty-one million, three hundred thirty-two thousand, one hundred eleven".