12898480185 has 24 divisors (see below), whose sum is σ = 22672263744. Its totient is φ = 6782297760.

The previous prime is 12898480181. The next prime is 12898480219. The reversal of 12898480185 is 58108489821.

12898480185 is a `hidden beast` number, since 1 + 2 + 89 + 8 + 480 + 1 + 85 = 666.

It is not a de Polignac number, because 12898480185 - 2² = 12898480181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12898480181) 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, 2015347 + ... + 2021736.

It is an arithmetic number, because the mean of its divisors is an integer number (944677656).

Almost surely, 2^12898480185 is an apocalyptic number.

12898480185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12898480185 is a deficient number, since it is larger than the sum of its proper divisors (9773783559).

12898480185 is a wasteful number, since it uses less digits than its factorization.

12898480185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037165 (or 4037162 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 54.

The spelling of 12898480185 in words is "twelve billion, eight hundred ninety-eight million, four hundred eighty thousand, one hundred eighty-five".