12898801385 has 4 divisors (see below), whose sum is σ = 15478561668. Its totient is φ = 10319041104.

The previous prime is 12898801379. The next prime is 12898801403. The reversal of 12898801385 is 58310889821.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10281148816 + 2617652569 = 101396^2 + 51163^2 .

It is a cyclic number.

It is not a de Polignac number, because 12898801385 - 2⁴ = 12898801369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289880134 + ... + 1289880143.

It is an arithmetic number, because the mean of its divisors is an integer number (3869640417).

Almost surely, 2^12898801385 is an apocalyptic number.

It is an amenable number.

12898801385 is a deficient number, since it is larger than the sum of its proper divisors (2579760283).

12898801385 is an equidigital number, since it uses as much as digits as its factorization.

12898801385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579760282.

The product of its (nonzero) digits is 1105920, while the sum is 53.

The spelling of 12898801385 in words is "twelve billion, eight hundred ninety-eight million, eight hundred one thousand, three hundred eighty-five".