12206575055 has 4 divisors (see below), whose sum is σ = 14647890072. Its totient is φ = 9765260040.

The previous prime is 12206575013. The next prime is 12206575133. The reversal of 12206575055 is 55057560221.

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

It is not a de Polignac number, because 12206575055 - 2²⁸ = 11938139599 is a prime.

It is a Duffinian number.

It is a congruent 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, 1220657501 + ... + 1220657510.

It is an arithmetic number, because the mean of its divisors is an integer number (3661972518).

Almost surely, 2^12206575055 is an apocalyptic number.

12206575055 is a deficient number, since it is larger than the sum of its proper divisors (2441315017).

12206575055 is an equidigital number, since it uses as much as digits as its factorization.

12206575055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441315016.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 12206575055 in words is "twelve billion, two hundred six million, five hundred seventy-five thousand, fifty-five".