12048821705 has 4 divisors (see below), whose sum is σ = 14458586052. Its totient is φ = 9639057360.

The previous prime is 12048821693. The next prime is 12048821713. The reversal of 12048821705 is 50712884021.

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 9328469056 + 2720352649 = 96584^2 + 52157^2 .

It is not a de Polignac number, because 12048821705 - 2⁶ = 12048821641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204882166 + ... + 1204882175.

It is an arithmetic number, because the mean of its divisors is an integer number (3614646513).

Almost surely, 2^12048821705 is an apocalyptic number.

It is an amenable number.

12048821705 is a deficient number, since it is larger than the sum of its proper divisors (2409764347).

12048821705 is an equidigital number, since it uses as much as digits as its factorization.

12048821705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409764346.

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 12048821705 in words is "twelve billion, forty-eight million, eight hundred twenty-one thousand, seven hundred five".