12103012203 has 4 divisors (see below), whose sum is σ = 16137349608. Its totient is φ = 8068674800.

The previous prime is 12103012199. The next prime is 12103012277. The reversal of 12103012203 is 30221030121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30221030121 = 3 ⋅10073676707.

It is a cyclic number.

It is not a de Polignac number, because 12103012203 - 2² = 12103012199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12103012303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017168698 + ... + 2017168703.

It is an arithmetic number, because the mean of its divisors is an integer number (4034337402).

Almost surely, 2^12103012203 is an apocalyptic number.

12103012203 is a deficient number, since it is larger than the sum of its proper divisors (4034337405).

12103012203 is an equidigital number, since it uses as much as digits as its factorization.

12103012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034337404.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12103012203 its reverse (30221030121), we get a palindrome (42324042324).

The spelling of 12103012203 in words is "twelve billion, one hundred three million, twelve thousand, two hundred three".