12982130081957 has 2 divisors, whose sum is σ = 12982130081958. Its totient is φ = 12982130081956.

The previous prime is 12982130081953. The next prime is 12982130082037. The reversal of 12982130081957 is 75918003128921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12535947496996 + 446182584961 = 3540614^2 + 667969^2 .

It is an emirp because it is prime and its reverse (75918003128921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12982130081957 - 2² = 12982130081953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12982130081953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6491065040978 + 6491065040979.

It is an arithmetic number, because the mean of its divisors is an integer number (6491065040979).

Almost surely, 2^{12982130081957} is an apocalyptic number.

It is an amenable number.

12982130081957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12982130081957 is an equidigital number, since it uses as much as digits as its factorization.

12982130081957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 56.

The spelling of 12982130081957 in words is "twelve trillion, nine hundred eighty-two billion, one hundred thirty million, eighty-one thousand, nine hundred fifty-seven".