12213004123 has 8 divisors (see below), whose sum is σ = 12343815792. Its totient is φ = 12082292736.

The previous prime is 12213004061. The next prime is 12213004127. The reversal of 12213004123 is 32140031221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12213004123 - 2²⁹ = 11676133211 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 12213004123.

It is not an unprimeable number, because it can be changed into a prime (12213004127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234036 + ... + 281422.

It is an arithmetic number, because the mean of its divisors is an integer number (1542976974).

Almost surely, 2^12213004123 is an apocalyptic number.

12213004123 is a deficient number, since it is larger than the sum of its proper divisors (130811669).

12213004123 is an equidigital number, since it uses as much as digits as its factorization.

12213004123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50141.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12213004123 its reverse (32140031221), we get a palindrome (44353035344).

The spelling of 12213004123 in words is "twelve billion, two hundred thirteen million, four thousand, one hundred twenty-three".