12103122203 has 4 divisors (see below), whose sum is σ = 12103342680. Its totient is φ = 12102901728.

The previous prime is 12103122197. The next prime is 12103122287. The reversal of 12103122203 is 30222130121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 30222130121 = 8039 ⋅3759439.

It is a cyclic number.

It is not a de Polignac number, because 12103122203 - 2¹⁰ = 12103121179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103122803) 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, 44588 + ... + 161846.

It is an arithmetic number, because the mean of its divisors is an integer number (3025835670).

Almost surely, 2^12103122203 is an apocalyptic number.

12103122203 is a deficient number, since it is larger than the sum of its proper divisors (220477).

12103122203 is a wasteful number, since it uses less digits than its factorization.

12103122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220476.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12103122203 its reverse (30222130121), we get a palindrome (42325252324).

The spelling of 12103122203 in words is "twelve billion, one hundred three million, one hundred twenty-two thousand, two hundred three".