12898428498 has 30 divisors (see below), whose sum is σ = 28905273639. Its totient is φ = 4298994324.

The previous prime is 12898428463. The next prime is 12898428539. The reversal of 12898428498 is 89482489821.

12898428498 is a `hidden beast` number, since 12 + 8 + 98 + 42 + 8 + 498 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6449214249 + 6449214249 = 80307^2 + 80307^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=80307.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1441065 + ... + 1449987.

Almost surely, 2^12898428498 is an apocalyptic number.

12898428498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12898428498 is an abundant number, since it is smaller than the sum of its proper divisors (16006845141).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12898428498 is an frugal number, since it uses more digits than its factorization.

12898428498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17860 (or 8928 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 63.

The spelling of 12898428498 in words is "twelve billion, eight hundred ninety-eight million, four hundred twenty-eight thousand, four hundred ninety-eight".