12255065272705 has 4 divisors (see below), whose sum is σ = 14706078327252. Its totient is φ = 9804052218160.

The previous prime is 12255065272699. The next prime is 12255065272739. The reversal of 12255065272705 is 50727256055221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8312334804544 + 3942730468161 = 2883112^2 + 1985631^2 .

It is not a de Polignac number, because 12255065272705 - 2⁷ = 12255065272577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225506527266 + ... + 1225506527275.

It is an arithmetic number, because the mean of its divisors is an integer number (3676519581813).

Almost surely, 2^{12255065272705} is an apocalyptic number.

It is an amenable number.

12255065272705 is a deficient number, since it is larger than the sum of its proper divisors (2451013054547).

12255065272705 is an equidigital number, since it uses as much as digits as its factorization.

12255065272705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451013054546.

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 12255065272705 in words is "twelve trillion, two hundred fifty-five billion, sixty-five million, two hundred seventy-two thousand, seven hundred five".