12128412089 has 8 divisors (see below), whose sum is σ = 12425682528. Its totient is φ = 11831211040.

The previous prime is 12128412073. The next prime is 12128412097. The reversal of 12128412089 is 98021482121.

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 12128412089 - 2⁴ = 12128412073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12128412389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614594 + ... + 634020.

It is an arithmetic number, because the mean of its divisors is an integer number (1553210316).

Almost surely, 2^12128412089 is an apocalyptic number.

It is an amenable number.

12128412089 is a deficient number, since it is larger than the sum of its proper divisors (297270439).

12128412089 is a wasteful number, since it uses less digits than its factorization.

12128412089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34695.

The product of its (nonzero) digits is 18432, while the sum is 38.

The spelling of 12128412089 in words is "twelve billion, one hundred twenty-eight million, four hundred twelve thousand, eighty-nine".