12011030031133 has 4 divisors (see below), whose sum is σ = 13726891464160. Its totient is φ = 10295168598108.

The previous prime is 12011030031113. The next prime is 12011030031157. The reversal of 12011030031133 is 33113003011021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12011030031133 - 2²⁵ = 12010996476701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12011030031133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011030031113) 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 in 3 ways as a sum of consecutive naturals, for example, 857930716503 + ... + 857930716516.

It is an arithmetic number, because the mean of its divisors is an integer number (3431722866040).

Almost surely, 2^{12011030031133} is an apocalyptic number.

It is an amenable number.

12011030031133 is a deficient number, since it is larger than the sum of its proper divisors (1715861433027).

12011030031133 is an equidigital number, since it uses as much as digits as its factorization.

12011030031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715861433026.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 12011030031133 its reverse (33113003011021), we get a palindrome (45124033042154).

The spelling of 12011030031133 in words is "twelve trillion, eleven billion, thirty million, thirty-one thousand, one hundred thirty-three".