12298138112 has 150 divisors (see below), whose sum is σ = 27569452053. Its totient is φ = 5480337408.

The previous prime is 12298138093. The next prime is 12298138207. The reversal of 12298138112 is 21183189221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 8 ways, for example, as 5797908736 + 6500229376 = 76144^2 + 80624^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78416.

Its product of digits (13824) is a multiple of the sum of its prime factors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 424073714 + ... + 424073742.

Almost surely, 2^12298138112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12298138112

12298138112 is an abundant number, since it is smaller than the sum of its proper divisors (15271313941).

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

12298138112 is an frugal number, since it uses more digits than its factorization.

12298138112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 44 counting only the distinct ones).

The product of its digits is 13824, while the sum is 38.

The spelling of 12298138112 in words is "twelve billion, two hundred ninety-eight million, one hundred thirty-eight thousand, one hundred twelve".