12441433987 has 2 divisors, whose sum is σ = 12441433988. Its totient is φ = 12441433986.

The previous prime is 12441433973. The next prime is 12441433997. The reversal of 12441433987 is 78933414421.

12441433987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12441433987 - 2⁷ = 12441433859 is a prime.

It is not a weakly prime, because it can be changed into another prime (12441433997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220716993 + 6220716994.

It is an arithmetic number, because the mean of its divisors is an integer number (6220716994).

Almost surely, 2^12441433987 is an apocalyptic number.

12441433987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12441433987 is an equidigital number, since it uses as much as digits as its factorization.

12441433987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The spelling of 12441433987 in words is "twelve billion, four hundred forty-one million, four hundred thirty-three thousand, nine hundred eighty-seven".