12223220332123 has 4 divisors (see below), whose sum is σ = 12223227850600. Its totient is φ = 12223212813648.

The previous prime is 12223220332117. The next prime is 12223220332177. The reversal of 12223220332123 is 32123302232221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12223220332123 - 2²⁹ = 12222683461211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223220332091 and 12223220332100.

It is not an unprimeable number, because it can be changed into a prime (12223220332823) 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, 192690 + ... + 4948087.

It is an arithmetic number, because the mean of its divisors is an integer number (3055806962650).

Almost surely, 2^{12223220332123} is an apocalyptic number.

12223220332123 is a deficient number, since it is larger than the sum of its proper divisors (7518477).

12223220332123 is an equidigital number, since it uses as much as digits as its factorization.

12223220332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518476.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 12223220332123 its reverse (32123302232221), we get a palindrome (44346522564344).

The spelling of 12223220332123 in words is "twelve trillion, two hundred twenty-three billion, two hundred twenty million, three hundred thirty-two thousand, one hundred twenty-three".