12124004243 has 8 divisors (see below), whose sum is σ = 13083218736. Its totient is φ = 11168589600.

The previous prime is 12124004231. The next prime is 12124004279. The reversal of 12124004243 is 34240042121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12124004243 - 2⁴ = 12124004227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12124204243) 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 7 ways as a sum of consecutive naturals, for example, 943328 + ... + 956093.

It is an arithmetic number, because the mean of its divisors is an integer number (1635402342).

Almost surely, 2^12124004243 is an apocalyptic number.

12124004243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12124004243 is a deficient number, since it is larger than the sum of its proper divisors (959214493).

12124004243 is a wasteful number, since it uses less digits than its factorization.

12124004243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899925.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12124004243 its reverse (34240042121), we get a palindrome (46364046364).

The spelling of 12124004243 in words is "twelve billion, one hundred twenty-four million, four thousand, two hundred forty-three".