12125438298 has 48 divisors (see below), whose sum is σ = 27263812680. Its totient is φ = 3890076288.

The previous prime is 12125438293. The next prime is 12125438317. The reversal of 12125438298 is 89283452121.

12125438298 is a `hidden beast` number, since 1 + 2 + 12 + 543 + 8 + 2 + 98 = 666.

12125438298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5354287929 + 6771150369 = 73173^2 + 82287^2 .

It is not an unprimeable number, because it can be changed into a prime (12125438293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128836 + ... + 202112.

Almost surely, 2^12125438298 is an apocalyptic number.

12125438298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12125438298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13631906340).

12125438298 is an abundant number, since it is smaller than the sum of its proper divisors (15138374382).

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

12125438298 is a wasteful number, since it uses less digits than its factorization.

12125438298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73631 (or 73628 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 12125438298 in words is "twelve billion, one hundred twenty-five million, four hundred thirty-eight thousand, two hundred ninety-eight".