12148891880448 has 88 divisors (see below), whose sum is σ = 32390159211952. Its totient is φ = 4048513449984.

The previous prime is 12148891880441. The next prime is 12148891880471. The reversal of 12148891880448 is 84408819884121.

It is not an unprimeable number, because it can be changed into a prime (12148891880441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10629186 + ... + 11716542.

Almost surely, 2^{12148891880448} 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 12148891880448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16195079605976).

12148891880448 is an abundant number, since it is smaller than the sum of its proper divisors (20241267331504).

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

12148891880448 is a wasteful number, since it uses less digits than its factorization.

12148891880448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091017 (or 1090999 counting only the distinct ones).

The product of its (nonzero) digits is 37748736, while the sum is 66.

The spelling of 12148891880448 in words is "twelve trillion, one hundred forty-eight billion, eight hundred ninety-one million, eight hundred eighty thousand, four hundred forty-eight".