12989143000 has 32 divisors (see below), whose sum is σ = 30394596960. Its totient is φ = 5195656800.

The previous prime is 12989142997. The next prime is 12989143043. The reversal of 12989143000 is 34198921.

12989143000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6493572 + ... + 6495571.

It is an arithmetic number, because the mean of its divisors is an integer number (949831155).

Almost surely, 2^12989143000 is an apocalyptic number.

12989143000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12989143000 is an abundant number, since it is smaller than the sum of its proper divisors (17405453960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12989143000 is a wasteful number, since it uses less digits than its factorization.

12989143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989164 (or 12989150 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 12989143000 in words is "twelve billion, nine hundred eighty-nine million, one hundred forty-three thousand".