12034201243 has 4 divisors (see below), whose sum is σ = 12557427408. Its totient is φ = 11510975080.

The previous prime is 12034201237. The next prime is 12034201273. The reversal of 12034201243 is 34210243021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34210243021 = 43 ⋅795587047.

It is a cyclic number.

It is not a de Polignac number, because 12034201243 - 2⁵ = 12034201211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12034201273) 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, 261613048 + ... + 261613093.

It is an arithmetic number, because the mean of its divisors is an integer number (3139356852).

Almost surely, 2^12034201243 is an apocalyptic number.

12034201243 is a deficient number, since it is larger than the sum of its proper divisors (523226165).

12034201243 is an equidigital number, since it uses as much as digits as its factorization.

12034201243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523226164.

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

Adding to 12034201243 its reverse (34210243021), we get a palindrome (46244444264).

The spelling of 12034201243 in words is "twelve billion, thirty-four million, two hundred one thousand, two hundred forty-three".