12011133133231 has 8 divisors (see below), whose sum is σ = 12937328222720. Its totient is φ = 11114341062552.

The previous prime is 12011133133187. The next prime is 12011133133243. The reversal of 12011133133231 is 13233133111021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12011133133231 - 2²⁹ = 12010596262319 is a prime.

It is a super-2 number, since 2×12011133133231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011133133196 and 12011133133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011133136231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7350753855 + ... + 7350755488.

It is an arithmetic number, because the mean of its divisors is an integer number (1617166027840).

Almost surely, 2^{12011133133231} is an apocalyptic number.

12011133133231 is a deficient number, since it is larger than the sum of its proper divisors (926195089489).

12011133133231 is a wasteful number, since it uses less digits than its factorization.

12011133133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14701509405.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 12011133133231 its reverse (13233133111021), we get a palindrome (25244266244252).

The spelling of 12011133133231 in words is "twelve trillion, eleven billion, one hundred thirty-three million, one hundred thirty-three thousand, two hundred thirty-one".