12076817705 has 16 divisors (see below), whose sum is σ = 14842187280. Its totient is φ = 9430007808.

The previous prime is 12076817609. The next prime is 12076817741. The reversal of 12076817705 is 50771867021.

It can be written as a sum of positive squares in 8 ways, for example, as 2379098176 + 9697719529 = 48776^2 + 98477^2 .

It is a cyclic number.

It is not a de Polignac number, because 12076817705 - 2²⁰ = 12075769129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66920 + ... + 169209.

It is an arithmetic number, because the mean of its divisors is an integer number (927636705).

Almost surely, 2^12076817705 is an apocalyptic number.

It is an amenable number.

12076817705 is a deficient number, since it is larger than the sum of its proper divisors (2765369575).

12076817705 is a wasteful number, since it uses less digits than its factorization.

12076817705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236380.

The product of its (nonzero) digits is 164640, while the sum is 44.

The spelling of 12076817705 in words is "twelve billion, seventy-six million, eight hundred seventeen thousand, seven hundred five".