12398051448 has 144 divisors (see below), whose sum is σ = 36205873080. Its totient is φ = 3831100416.

The previous prime is 12398051441. The next prime is 12398051467. The reversal of 12398051448 is 84415089321.

12398051448 is a `hidden beast` number, since 1 + 2 + 3 + 98 + 0 + 514 + 48 = 666.

12398051448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12398051441) 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 35 ways as a sum of consecutive naturals, for example, 1389690 + ... + 1398582.

Almost surely, 2^12398051448 is an apocalyptic number.

12398051448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12398051448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18102936540).

12398051448 is an abundant number, since it is smaller than the sum of its proper divisors (23807821632).

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

12398051448 is a wasteful number, since it uses less digits than its factorization.

12398051448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006 (or 8982 counting only the distinct ones).

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

The spelling of 12398051448 in words is "twelve billion, three hundred ninety-eight million, fifty-one thousand, four hundred forty-eight".