12989142999 has 36 divisors (see below), whose sum is σ = 22332892296. Its totient is φ = 7249743648.

The previous prime is 12989142997. The next prime is 12989143043. The reversal of 12989142999 is 99924198921.

12989142999 is a `hidden beast` number, since 129 + 89 + 1 + 429 + 9 + 9 = 666.

It is not a de Polignac number, because 12989142999 - 2¹ = 12989142997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12989142997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 323524 + ... + 361449.

Almost surely, 2^12989142999 is an apocalyptic number.

12989142999 is a deficient number, since it is larger than the sum of its proper divisors (9343749297).

12989142999 is a wasteful number, since it uses less digits than its factorization.

12989142999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685036 (or 685026 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 63.

The spelling of 12989142999 in words is "twelve billion, nine hundred eighty-nine million, one hundred forty-two thousand, nine hundred ninety-nine".