12011566705201 has 16 divisors (see below), whose sum is σ = 14100253138944. Its totient is φ = 10019770154064.

The previous prime is 12011566705199. The next prime is 12011566705247. The reversal of 12011566705201 is 10250766511021.

It is a cyclic number.

It is not a de Polignac number, because 12011566705201 - 2¹ = 12011566705199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011566805201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154244305 + ... + 154322158.

It is an arithmetic number, because the mean of its divisors is an integer number (881265821184).

Almost surely, 2^{12011566705201} is an apocalyptic number.

It is an amenable number.

12011566705201 is a deficient number, since it is larger than the sum of its proper divisors (2088686433743).

12011566705201 is an equidigital number, since it uses as much as digits as its factorization.

12011566705201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308566620.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 12011566705201 in words is "twelve trillion, eleven billion, five hundred sixty-six million, seven hundred five thousand, two hundred one".