12011131133 has 16 divisors (see below), whose sum is σ = 12700300800. Its totient is φ = 11341391040.

The previous prime is 12011131117. The next prime is 12011131141. The reversal of 12011131133 is 33113111021.

It is not a de Polignac number, because 12011131133 - 2⁴ = 12011131117 is a prime.

It is a super-3 number, since 3×12011131133³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011131103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420763 + ... + 1429191.

It is an arithmetic number, because the mean of its divisors is an integer number (793768800).

Almost surely, 2^12011131133 is an apocalyptic number.

It is an amenable number.

12011131133 is a deficient number, since it is larger than the sum of its proper divisors (689169667).

12011131133 is a wasteful number, since it uses less digits than its factorization.

12011131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 12011131133 its reverse (33113111021), we get a palindrome (45124242154).

The spelling of 12011131133 in words is "twelve billion, eleven million, one hundred thirty-one thousand, one hundred thirty-three".