12134240203 has 4 divisors (see below), whose sum is σ = 12661815888. Its totient is φ = 11606664520.

The previous prime is 12134240179. The next prime is 12134240213. The reversal of 12134240203 is 30204243121.

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 12134240203 - 2¹⁷ = 12134109131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12134240213) 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, 263787808 + ... + 263787853.

It is an arithmetic number, because the mean of its divisors is an integer number (3165453972).

Almost surely, 2^12134240203 is an apocalyptic number.

12134240203 is a deficient number, since it is larger than the sum of its proper divisors (527575685).

12134240203 is an equidigital number, since it uses as much as digits as its factorization.

12134240203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527575684.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12134240203 its reverse (30204243121), we get a palindrome (42338483324).

The spelling of 12134240203 in words is "twelve billion, one hundred thirty-four million, two hundred forty thousand, two hundred three".