12304542961 has 2 divisors, whose sum is σ = 12304542962. Its totient is φ = 12304542960.

The previous prime is 12304542953. The next prime is 12304542983. The reversal of 12304542961 is 16924540321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11019750625 + 1284792336 = 104975^2 + 35844^2 .

It is a cyclic number.

It is not a de Polignac number, because 12304542961 - 2³ = 12304542953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12304542961.

It is not a weakly prime, because it can be changed into another prime (12304542941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152271480 + 6152271481.

It is an arithmetic number, because the mean of its divisors is an integer number (6152271481).

Almost surely, 2^12304542961 is an apocalyptic number.

It is an amenable number.

12304542961 is a deficient number, since it is larger than the sum of its proper divisors (1).

12304542961 is an equidigital number, since it uses as much as digits as its factorization.

12304542961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 12304542961 in words is "twelve billion, three hundred four million, five hundred forty-two thousand, nine hundred sixty-one".