12054261456247 has 2 divisors, whose sum is σ = 12054261456248. Its totient is φ = 12054261456246.

The previous prime is 12054261456143. The next prime is 12054261456283. The reversal of 12054261456247 is 74265416245021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12054261456247 - 2²⁷ = 12054127238519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12054261456247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12054261450247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6027130728123 + 6027130728124.

It is an arithmetic number, because the mean of its divisors is an integer number (6027130728124).

Almost surely, 2^{12054261456247} is an apocalyptic number.

12054261456247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12054261456247 is an equidigital number, since it uses as much as digits as its factorization.

12054261456247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 12054261456247 in words is "twelve trillion, fifty-four billion, two hundred sixty-one million, four hundred fifty-six thousand, two hundred forty-seven".