12228132069487 has 16 divisors (see below), whose sum is σ = 12471123706720. Its totient is φ = 11986529817600.

The previous prime is 12228132069451. The next prime is 12228132069529. The reversal of 12228132069487 is 78496023182221.

It is a cyclic number.

It is not a de Polignac number, because 12228132069487 - 2⁷ = 12228132069359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12228132069437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87012964 + ... + 87153382.

It is an arithmetic number, because the mean of its divisors is an integer number (779445231670).

Almost surely, 2^{12228132069487} is an apocalyptic number.

12228132069487 is the 2018922-nd hex number.

12228132069487 is a deficient number, since it is larger than the sum of its proper divisors (242991637233).

12228132069487 is a wasteful number, since it uses less digits than its factorization.

12228132069487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145354.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 12228132069487 in words is "twelve trillion, two hundred twenty-eight billion, one hundred thirty-two million, sixty-nine thousand, four hundred eighty-seven".