12216526925959 has 8 divisors (see below), whose sum is σ = 12637873888560. Its totient is φ = 11795185790976.

The previous prime is 12216526925957. The next prime is 12216526925983. The reversal of 12216526925959 is 95952962561221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12216526925959 - 2¹ = 12216526925957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12216526925959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12216526925957) 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, 3043719 + ... + 5804935.

It is an arithmetic number, because the mean of its divisors is an integer number (1579734236070).

Almost surely, 2^{12216526925959} is an apocalyptic number.

12216526925959 is a deficient number, since it is larger than the sum of its proper divisors (421346962601).

12216526925959 is a wasteful number, since it uses less digits than its factorization.

12216526925959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913809.

The product of its digits is 52488000, while the sum is 64.

The spelling of 12216526925959 in words is "twelve trillion, two hundred sixteen billion, five hundred twenty-six million, nine hundred twenty-five thousand, nine hundred fifty-nine".