12858808005 has 24 divisors (see below), whose sum is σ = 22295669760. Its totient is φ = 6855855840.

The previous prime is 12858807979. The next prime is 12858808009. The reversal of 12858808005 is 50080885821.

It is not a de Polignac number, because 12858808005 - 2⁷ = 12858807877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12858808009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103516 + ... + 190874.

It is an arithmetic number, because the mean of its divisors is an integer number (928986240).

Almost surely, 2^12858808005 is an apocalyptic number.

12858808005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12858808005 is a deficient number, since it is larger than the sum of its proper divisors (9436861755).

12858808005 is a wasteful number, since it uses less digits than its factorization.

12858808005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90641 (or 90638 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 45.

The spelling of 12858808005 in words is "twelve billion, eight hundred fifty-eight million, eight hundred eight thousand, five".