12243233005 has 4 divisors (see below), whose sum is σ = 14691879612. Its totient is φ = 9794586400.

The previous prime is 12243233003. The next prime is 12243233047. The reversal of 12243233005 is 50033234221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4284095209 + 7959137796 = 65453^2 + 89214^2 .

It is not a de Polignac number, because 12243233005 - 2¹ = 12243233003 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 (12243233003) 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, 1224323296 + ... + 1224323305.

It is an arithmetic number, because the mean of its divisors is an integer number (3672969903).

Almost surely, 2^12243233005 is an apocalyptic number.

It is an amenable number.

12243233005 is a deficient number, since it is larger than the sum of its proper divisors (2448646607).

12243233005 is an equidigital number, since it uses as much as digits as its factorization.

12243233005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448646606.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 12243233005 its reverse (50033234221), we get a palindrome (62276467226).

The spelling of 12243233005 in words is "twelve billion, two hundred forty-three million, two hundred thirty-three thousand, five".