12424101243 has 4 divisors (see below), whose sum is σ = 16565468328. Its totient is φ = 8282734160.

The previous prime is 12424101181. The next prime is 12424101253. The reversal of 12424101243 is 34210142421.

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 12424101243 - 2¹⁰ = 12424100219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12424101253) 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, 2070683538 + ... + 2070683543.

It is an arithmetic number, because the mean of its divisors is an integer number (4141367082).

Almost surely, 2^12424101243 is an apocalyptic number.

12424101243 is a deficient number, since it is larger than the sum of its proper divisors (4141367085).

12424101243 is an equidigital number, since it uses as much as digits as its factorization.

12424101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141367084.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12424101243 its reverse (34210142421), we get a palindrome (46634243664).

The spelling of 12424101243 in words is "twelve billion, four hundred twenty-four million, one hundred one thousand, two hundred forty-three".