12011033223 has 36 divisors (see below), whose sum is σ = 20189671320. Its totient is φ = 6860772576.

The previous prime is 12011033213. The next prime is 12011033227. The reversal of 12011033223 is 32233011021.

It is not a de Polignac number, because 12011033223 - 2¹³ = 12011025031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011033196 and 12011033205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011033227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1910361 + ... + 1916637.

Almost surely, 2^12011033223 is an apocalyptic number.

12011033223 is a deficient number, since it is larger than the sum of its proper divisors (8178638097).

12011033223 is a wasteful number, since it uses less digits than its factorization.

12011033223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636 (or 10626 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12011033223 its reverse (32233011021), we get a palindrome (44244044244).

The spelling of 12011033223 in words is "twelve billion, eleven million, thirty-three thousand, two hundred twenty-three".