12222222220123 has 8 divisors (see below), whose sum is σ = 12336846750000. Its totient is φ = 12107605063680.

The previous prime is 12222222220111. The next prime is 12222222220127. The reversal of 12222222220123 is 32102222222221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222222220123 is a prime.

It is a super-2 number, since 2×12222222220123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222222220127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515963 + ... + 5171323.

It is an arithmetic number, because the mean of its divisors is an integer number (1542105843750).

Almost surely, 2^{12222222220123} is an apocalyptic number.

12222222220123 is a deficient number, since it is larger than the sum of its proper divisors (114624529877).

12222222220123 is a wasteful number, since it uses less digits than its factorization.

12222222220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686717.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12222222220123 its reverse (32102222222221), we get a palindrome (44324444442344).

The spelling of 12222222220123 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-three".