12042430997 has 2 divisors, whose sum is σ = 12042430998. Its totient is φ = 12042430996.

The previous prime is 12042430979. The next prime is 12042431053. The reversal of 12042430997 is 79903424021.

12042430997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (12042430979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6804435121 + 5237995876 = 82489^2 + 72374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042430997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042430397) 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, 6021215498 + 6021215499.

It is an arithmetic number, because the mean of its divisors is an integer number (6021215499).

Almost surely, 2^12042430997 is an apocalyptic number.

It is an amenable number.

12042430997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042430997 is an equidigital number, since it uses as much as digits as its factorization.

12042430997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 12042430997 in words is "twelve billion, forty-two million, four hundred thirty thousand, nine hundred ninety-seven".