12487189089 has 8 divisors (see below), whose sum is σ = 17099574400. Its totient is φ = 8099798256.

The previous prime is 12487189079. The next prime is 12487189093. The reversal of 12487189089 is 98098178421.

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

It is not a de Polignac number, because 12487189089 - 2⁹ = 12487188577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12487189079) 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, 56248489 + ... + 56248710.

It is an arithmetic number, because the mean of its divisors is an integer number (2137446800).

Almost surely, 2^12487189089 is an apocalyptic number.

It is an amenable number.

12487189089 is a deficient number, since it is larger than the sum of its proper divisors (4612385311).

12487189089 is a wasteful number, since it uses less digits than its factorization.

12487189089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112497239.

The product of its (nonzero) digits is 2322432, while the sum is 57.

The spelling of 12487189089 in words is "twelve billion, four hundred eighty-seven million, one hundred eighty-nine thousand, eighty-nine".