12988862871 has 4 divisors (see below), whose sum is σ = 17318483832. Its totient is φ = 8659241912.

The previous prime is 12988862849. The next prime is 12988862879. The reversal of 12988862871 is 17826888921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12988862871 - 2⁶ = 12988862807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988862879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164810476 + ... + 2164810481.

It is an arithmetic number, because the mean of its divisors is an integer number (4329620958).

Almost surely, 2^12988862871 is an apocalyptic number.

12988862871 is a deficient number, since it is larger than the sum of its proper divisors (4329620961).

12988862871 is an equidigital number, since it uses as much as digits as its factorization.

12988862871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329620960.

The product of its digits is 6193152, while the sum is 60.

The spelling of 12988862871 in words is "twelve billion, nine hundred eighty-eight million, eight hundred sixty-two thousand, eight hundred seventy-one".