12033231011131 has 4 divisors (see below), whose sum is σ = 13127161103064. Its totient is φ = 10939300919200.

The previous prime is 12033231011111. The next prime is 12033231011143. The reversal of 12033231011131 is 13111013233021.

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 12033231011131 - 2⁵ = 12033231011099 is a prime.

It is a super-2 number, since 2×12033231011131² (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 (12033231011101) 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, 546965045950 + ... + 546965045971.

It is an arithmetic number, because the mean of its divisors is an integer number (3281790275766).

Almost surely, 2^{12033231011131} is an apocalyptic number.

12033231011131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12033231011131 is a deficient number, since it is larger than the sum of its proper divisors (1093930091933).

12033231011131 is a wasteful number, since it uses less digits than its factorization.

12033231011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093930091932.

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

Adding to 12033231011131 its reverse (13111013233021), we get a palindrome (25144244244152).

The spelling of 12033231011131 in words is "twelve trillion, thirty-three billion, two hundred thirty-one million, eleven thousand, one hundred thirty-one".