12011010223 has 4 divisors (see below), whose sum is σ = 12266563680. Its totient is φ = 11755456768.

The previous prime is 12011010199. The next prime is 12011010257. The reversal of 12011010223 is 32201011021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32201011021 = 31 ⋅1038742291.

It is a cyclic number.

It is not a de Polignac number, because 12011010223 - 2⁵ = 12011010191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011010623) 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, 127776658 + ... + 127776751.

It is an arithmetic number, because the mean of its divisors is an integer number (3066640920).

Almost surely, 2^12011010223 is an apocalyptic number.

12011010223 is a deficient number, since it is larger than the sum of its proper divisors (255553457).

12011010223 is an equidigital number, since it uses as much as digits as its factorization.

12011010223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255553456.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12011010223 its reverse (32201011021), we get a palindrome (44212021244).

The spelling of 12011010223 in words is "twelve billion, eleven million, ten thousand, two hundred twenty-three".