12023223213 has 16 divisors (see below), whose sum is σ = 16291509696. Its totient is φ = 7886012160.

The previous prime is 12023223169. The next prime is 12023223217. The reversal of 12023223213 is 31232232021.

It is a happy number.

It is not a de Polignac number, because 12023223213 - 2¹⁶ = 12023157677 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12023223213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023223217) 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 15 ways as a sum of consecutive naturals, for example, 40170 + ... + 160187.

It is an arithmetic number, because the mean of its divisors is an integer number (1018219356).

Almost surely, 2^12023223213 is an apocalyptic number.

It is an amenable number.

12023223213 is a deficient number, since it is larger than the sum of its proper divisors (4268286483).

12023223213 is a wasteful number, since it uses less digits than its factorization.

12023223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200684.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12023223213 its reverse (31232232021), we get a palindrome (43255455234).

The spelling of 12023223213 in words is "twelve billion, twenty-three million, two hundred twenty-three thousand, two hundred thirteen".