12011041033 has 4 divisors (see below), whose sum is σ = 12121234180. Its totient is φ = 11900847888.

The previous prime is 12011041027. The next prime is 12011041039. The reversal of 12011041033 is 33014011021.

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

It is an interprime number because it is at equal distance from previous prime (12011041027) and next prime (12011041039).

It can be written as a sum of positive squares in 2 ways, for example, as 3807753849 + 8203287184 = 61707^2 + 90572^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011041033 - 2⁹ = 12011040521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011040998 and 12011041016.

It is not an unprimeable number, because it can be changed into a prime (12011041039) 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, 55096410 + ... + 55096627.

It is an arithmetic number, because the mean of its divisors is an integer number (3030308545).

Almost surely, 2^12011041033 is an apocalyptic number.

It is an amenable number.

12011041033 is a deficient number, since it is larger than the sum of its proper divisors (110193147).

12011041033 is a wasteful number, since it uses less digits than its factorization.

12011041033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110193146.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12011041033 its reverse (33014011021), we get a palindrome (45025052054).

The spelling of 12011041033 in words is "twelve billion, eleven million, forty-one thousand, thirty-three".