12988867671 has 80 divisors (see below), whose sum is σ = 21895695360. Its totient is φ = 7613559360.

The previous prime is 12988867657. The next prime is 12988867687. The reversal of 12988867671 is 17676888921.

It is not a de Polignac number, because 12988867671 - 2¹⁷ = 12988736599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12988867599 and 12988867608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988867601) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6562360 + ... + 6564338.

It is an arithmetic number, because the mean of its divisors is an integer number (273696192).

Almost surely, 2^12988867671 is an apocalyptic number.

12988867671 is a deficient number, since it is larger than the sum of its proper divisors (8906827689).

12988867671 is a wasteful number, since it uses less digits than its factorization.

12988867671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2289 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 63.

The spelling of 12988867671 in words is "twelve billion, nine hundred eighty-eight million, eight hundred sixty-seven thousand, six hundred seventy-one".