12205577968 has 10 divisors (see below), whose sum is σ = 23648307344. Its totient is φ = 6102788976.

The previous prime is 12205577959. The next prime is 12205577983. The reversal of 12205577968 is 86977550221.

It is a happy number.

12205577968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12205577968² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381424296 + ... + 381424327.

Almost surely, 2^12205577968 is an apocalyptic number.

It is an amenable number.

12205577968 is a deficient number, since it is larger than the sum of its proper divisors (11442729376).

12205577968 is an equidigital number, since it uses as much as digits as its factorization.

12205577968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762848631 (or 762848625 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 12205577968 in words is "twelve billion, two hundred five million, five hundred seventy-seven thousand, nine hundred sixty-eight".