12868998009 has 16 divisors (see below), whose sum is σ = 20139900288. Its totient is φ = 7154963712.

The previous prime is 12868997951. The next prime is 12868998013. The reversal of 12868998009 is 90089986821.

It is not a de Polignac number, because 12868998009 - 2⁹ = 12868997497 is a prime.

It is a super-2 number, since 2×12868998009² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12868998059) 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, 8280432 + ... + 8281985.

It is an arithmetic number, because the mean of its divisors is an integer number (1258743768).

Almost surely, 2^12868998009 is an apocalyptic number.

It is an amenable number.

12868998009 is a deficient number, since it is larger than the sum of its proper divisors (7270902279).

12868998009 is a wasteful number, since it uses less digits than its factorization.

12868998009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16562464.

The product of its (nonzero) digits is 4478976, while the sum is 60.

The spelling of 12868998009 in words is "twelve billion, eight hundred sixty-eight million, nine hundred ninety-eight thousand, nine".