12205054558 has 16 divisors (see below), whose sum is σ = 19138527360. Its totient is φ = 5826516696.

The previous prime is 12205054513. The next prime is 12205054559. The reversal of 12205054558 is 85545050221.

It is a super-3 number, since 3×12205054558³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205054559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217368 + ... + 267691.

It is an arithmetic number, because the mean of its divisors is an integer number (1196157960).

Almost surely, 2^12205054558 is an apocalyptic number.

12205054558 is a deficient number, since it is larger than the sum of its proper divisors (6933472802).

12205054558 is a wasteful number, since it uses less digits than its factorization.

12205054558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485631.

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 12205054558 in words is "twelve billion, two hundred five million, fifty-four thousand, five hundred fifty-eight".