12077755066227 has 4 divisors (see below), whose sum is σ = 16103673421640. Its totient is φ = 8051836710816.

The previous prime is 12077755066193. The next prime is 12077755066249. The reversal of 12077755066227 is 72266055777021.

It is a happy number.

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

It is not a de Polignac number, because 12077755066227 - 2³⁴ = 12060575197043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12077755066277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012959177702 + ... + 2012959177707.

It is an arithmetic number, because the mean of its divisors is an integer number (4025918355410).

Almost surely, 2^{12077755066227} is an apocalyptic number.

12077755066227 is a deficient number, since it is larger than the sum of its proper divisors (4025918355413).

12077755066227 is an equidigital number, since it uses as much as digits as its factorization.

12077755066227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025918355412.

The product of its (nonzero) digits is 17287200, while the sum is 57.

The spelling of 12077755066227 in words is "twelve trillion, seventy-seven billion, seven hundred fifty-five million, sixty-six thousand, two hundred twenty-seven".