12022223203123 has 4 divisors (see below), whose sum is σ = 13739683660720. Its totient is φ = 10304762745528.

The previous prime is 12022223203091. The next prime is 12022223203147. The reversal of 12022223203123 is 32130232222021.

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

It is a cyclic number.

It is not a de Polignac number, because 12022223203123 - 2⁵ = 12022223203091 is a prime.

It is a super-2 number, since 2×12022223203123² (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 (12022223203183) 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, 858730228788 + ... + 858730228801.

It is an arithmetic number, because the mean of its divisors is an integer number (3434920915180).

Almost surely, 2^{12022223203123} is an apocalyptic number.

12022223203123 is a deficient number, since it is larger than the sum of its proper divisors (1717460457597).

12022223203123 is an equidigital number, since it uses as much as digits as its factorization.

12022223203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717460457596.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12022223203123 its reverse (32130232222021), we get a palindrome (44152455425144).

The spelling of 12022223203123 in words is "twelve trillion, twenty-two billion, two hundred twenty-three million, two hundred three thousand, one hundred twenty-three".