12222003123 has 24 divisors (see below), whose sum is σ = 19294597296. Its totient is φ = 7393550400.

The previous prime is 12222003091. The next prime is 12222003139. The reversal of 12222003123 is 32130022221.

It is not a de Polignac number, because 12222003123 - 2⁵ = 12222003091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12222003096 and 12222003105.

It is not an unprimeable number, because it can be changed into a prime (12222003323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60540 + ... + 167657.

It is an arithmetic number, because the mean of its divisors is an integer number (803941554).

Almost surely, 2^12222003123 is an apocalyptic number.

12222003123 is a deficient number, since it is larger than the sum of its proper divisors (7072594173).

12222003123 is a wasteful number, since it uses less digits than its factorization.

12222003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228755 (or 228752 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12222003123 its reverse (32130022221), we get a palindrome (44352025344).

The spelling of 12222003123 in words is "twelve billion, two hundred twenty-two million, three thousand, one hundred twenty-three".