12606878660444 has 24 divisors (see below), whose sum is σ = 22272851406960. Its totient is φ = 6243231309056.

The previous prime is 12606878660429. The next prime is 12606878660449. The reversal of 12606878660444 is 44406687860621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606878660449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995759 + ... + 5119110.

It is an arithmetic number, because the mean of its divisors is an integer number (928035475290).

Almost surely, 2^{12606878660444} is an apocalyptic number.

It is an amenable number.

12606878660444 is a deficient number, since it is larger than the sum of its proper divisors (9665972746516).

12606878660444 is a wasteful number, since it uses less digits than its factorization.

12606878660444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119797 (or 6119795 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 62.

The spelling of 12606878660444 in words is "twelve trillion, six hundred six billion, eight hundred seventy-eight million, six hundred sixty thousand, four hundred forty-four".