12287055870641 has 2 divisors, whose sum is σ = 12287055870642. Its totient is φ = 12287055870640.

The previous prime is 12287055870637. The next prime is 12287055870643. The reversal of 12287055870641 is 14607855078221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6461108180641 + 5825947690000 = 2541871^2 + 2413700^2 .

It is a cyclic number.

It is not a de Polignac number, because 12287055870641 - 2² = 12287055870637 is a prime.

Together with 12287055870643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12287055870643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6143527935320 + 6143527935321.

It is an arithmetic number, because the mean of its divisors is an integer number (6143527935321).

Almost surely, 2^{12287055870641} is an apocalyptic number.

It is an amenable number.

12287055870641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12287055870641 is an equidigital number, since it uses as much as digits as its factorization.

12287055870641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 12287055870641 in words is "twelve trillion, two hundred eighty-seven billion, fifty-five million, eight hundred seventy thousand, six hundred forty-one".