12043321049 has 2 divisors, whose sum is σ = 12043321050. Its totient is φ = 12043321048.

The previous prime is 12043321039. The next prime is 12043321063. The reversal of 12043321049 is 94012334021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9769938649 + 2273382400 = 98843^2 + 47680^2 .

It is a cyclic number.

It is not a de Polignac number, because 12043321049 - 2²⁴ = 12026543833 is a prime.

It is not a weakly prime, because it can be changed into another prime (12043321039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021660524 + 6021660525.

It is an arithmetic number, because the mean of its divisors is an integer number (6021660525).

Almost surely, 2^12043321049 is an apocalyptic number.

It is an amenable number.

12043321049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043321049 is an equidigital number, since it uses as much as digits as its factorization.

12043321049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 12043321049 in words is "twelve billion, forty-three million, three hundred twenty-one thousand, forty-nine".