12128569600487 has 2 divisors, whose sum is σ = 12128569600488. Its totient is φ = 12128569600486.

The previous prime is 12128569600453. The next prime is 12128569600597. The reversal of 12128569600487 is 78400696582121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12128569600487 - 2⁴² = 7730523089383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12128569600087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6064284800243 + 6064284800244.

It is an arithmetic number, because the mean of its divisors is an integer number (6064284800244).

Almost surely, 2^{12128569600487} is an apocalyptic number.

12128569600487 is a deficient number, since it is larger than the sum of its proper divisors (1).

12128569600487 is an equidigital number, since it uses as much as digits as its factorization.

12128569600487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 12128569600487 in words is "twelve trillion, one hundred twenty-eight billion, five hundred sixty-nine million, six hundred thousand, four hundred eighty-seven".