12924334945891 has 2 divisors, whose sum is σ = 12924334945892. Its totient is φ = 12924334945890.

The previous prime is 12924334945867. The next prime is 12924334945939. The reversal of 12924334945891 is 19854943342921.

12924334945891 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 an emirp because it is prime and its reverse (19854943342921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12924334945891 - 2⁷ = 12924334945763 is a prime.

It is not a weakly prime, because it can be changed into another prime (12924334946891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6462167472945 + 6462167472946.

It is an arithmetic number, because the mean of its divisors is an integer number (6462167472946).

Almost surely, 2^{12924334945891} is an apocalyptic number.

12924334945891 is a deficient number, since it is larger than the sum of its proper divisors (1).

12924334945891 is an equidigital number, since it uses as much as digits as its factorization.

12924334945891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 64.

The spelling of 12924334945891 in words is "twelve trillion, nine hundred twenty-four billion, three hundred thirty-four million, nine hundred forty-five thousand, eight hundred ninety-one".