12043407247 has 16 divisors (see below), whose sum is σ = 12469645440. Its totient is φ = 11625599232.

The previous prime is 12043407221. The next prime is 12043407289. The reversal of 12043407247 is 74270434021.

It is a cyclic number.

It is not a de Polignac number, because 12043407247 - 2³¹ = 9895923599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043407647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221883 + ... + 1231699.

It is an arithmetic number, because the mean of its divisors is an integer number (779352840).

Almost surely, 2^12043407247 is an apocalyptic number.

12043407247 is a deficient number, since it is larger than the sum of its proper divisors (426238193).

12043407247 is an equidigital number, since it uses as much as digits as its factorization.

12043407247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242.

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 12043407247 in words is "twelve billion, forty-three million, four hundred seven thousand, two hundred forty-seven".