12105011566706 has 4 divisors (see below), whose sum is σ = 18157517350062. Its totient is φ = 6052505783352.

The previous prime is 12105011566699. The next prime is 12105011566733. The reversal of 12105011566706 is 60766511050121.

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

It can be written as a sum of positive squares in only one way, i.e., 11244560530681 + 860451036025 = 3353291^2 + 927605^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3026252891675 + ... + 3026252891678.

Almost surely, 2^{12105011566706} is an apocalyptic number.

12105011566706 is a deficient number, since it is larger than the sum of its proper divisors (6052505783356).

12105011566706 is an equidigital number, since it uses as much as digits as its factorization.

12105011566706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052505783355.

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 12105011566706 in words is "twelve trillion, one hundred five billion, eleven million, five hundred sixty-six thousand, seven hundred six".