12205281832 has 8 divisors (see below), whose sum is σ = 22884903450. Its totient is φ = 6102640912.

The previous prime is 12205281827. The next prime is 12205281853. The reversal of 12205281832 is 23818250221.

It can be written as a sum of positive squares in only one way, i.e., 12019613956 + 185667876 = 109634^2 + 13626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 762830107 + ... + 762830122.

Almost surely, 2^12205281832 is an apocalyptic number.

It is an amenable number.

12205281832 is a deficient number, since it is larger than the sum of its proper divisors (10679621618).

12205281832 is a wasteful number, since it uses less digits than its factorization.

12205281832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525660235 (or 1525660231 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 12205281832 in words is "twelve billion, two hundred five million, two hundred eighty-one thousand, eight hundred thirty-two".