12655417444 has 12 divisors (see below), whose sum is σ = 22149913968. Its totient is φ = 6326870600.

The previous prime is 12655417441. The next prime is 12655417477. The reversal of 12655417444 is 44471455621.

It is a self number, because there is not a number n which added to its sum of digits gives 12655417444.

It is not an unprimeable number, because it can be changed into a prime (12655417441) 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, 174922 + ... + 236449.

It is an arithmetic number, because the mean of its divisors is an integer number (1845826164).

Almost surely, 2^12655417444 is an apocalyptic number.

It is an amenable number.

12655417444 is a deficient number, since it is larger than the sum of its proper divisors (9494496524).

12655417444 is a wasteful number, since it uses less digits than its factorization.

12655417444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419066 (or 419064 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The spelling of 12655417444 in words is "twelve billion, six hundred fifty-five million, four hundred seventeen thousand, four hundred forty-four".