12056605223 has 4 divisors (see below), whose sum is σ = 12984036408. Its totient is φ = 11129174040.

The previous prime is 12056605153. The next prime is 12056605243. The reversal of 12056605223 is 32250665021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32250665021 = 23 ⋅1402202827.

It is a cyclic number.

It is not a de Polignac number, because 12056605223 - 2¹⁰ = 12056604199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12056605223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056605243) 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, 463715573 + ... + 463715598.

It is an arithmetic number, because the mean of its divisors is an integer number (3246009102).

Almost surely, 2^12056605223 is an apocalyptic number.

12056605223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12056605223 is a deficient number, since it is larger than the sum of its proper divisors (927431185).

12056605223 is an equidigital number, since it uses as much as digits as its factorization.

12056605223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927431184.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 12056605223 in words is "twelve billion, fifty-six million, six hundred five thousand, two hundred twenty-three".