12001530979 has 2 divisors, whose sum is σ = 12001530980. Its totient is φ = 12001530978.

The previous prime is 12001530971. The next prime is 12001531019. The reversal of 12001530979 is 97903510021.

12001530979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001530979 - 2³ = 12001530971 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001530971) 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, 6000765489 + 6000765490.

It is an arithmetic number, because the mean of its divisors is an integer number (6000765490).

Almost surely, 2^12001530979 is an apocalyptic number.

12001530979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001530979 is an equidigital number, since it uses as much as digits as its factorization.

12001530979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 37.

The spelling of 12001530979 in words is "twelve billion, one million, five hundred thirty thousand, nine hundred seventy-nine".