12216526126804 has 24 divisors (see below), whose sum is σ = 21579029609760. Its totient is φ = 6051090714336.

The previous prime is 12216526126687. The next prime is 12216526126841. The reversal of 12216526126804 is 40862162561221.

It is a congruent number.

It is an unprimeable number.

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, 38799334 + ... + 39112930.

It is an arithmetic number, because the mean of its divisors is an integer number (899126233740).

Almost surely, 2^{12216526126804} is an apocalyptic number.

It is an amenable number.

12216526126804 is a deficient number, since it is larger than the sum of its proper divisors (9362503482956).

12216526126804 is a wasteful number, since it uses less digits than its factorization.

12216526126804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404727 (or 404725 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 12216526126804 in words is "twelve trillion, two hundred sixteen billion, five hundred twenty-six million, one hundred twenty-six thousand, eight hundred four".