12952771430447 has 2 divisors, whose sum is σ = 12952771430448. Its totient is φ = 12952771430446.

The previous prime is 12952771430369. The next prime is 12952771430531. The reversal of 12952771430447 is 74403417725921.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74403417725921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12952771430447 - 2¹⁸ = 12952771168303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12952771430392 and 12952771430401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12952771430747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6476385715223 + 6476385715224.

It is an arithmetic number, because the mean of its divisors is an integer number (6476385715224).

Almost surely, 2^{12952771430447} is an apocalyptic number.

12952771430447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12952771430447 is an equidigital number, since it uses as much as digits as its factorization.

12952771430447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 12952771430447 in words is "twelve trillion, nine hundred fifty-two billion, seven hundred seventy-one million, four hundred thirty thousand, four hundred forty-seven".