12448520832 has 128 divisors (see below), whose sum is σ = 36664528320. Its totient is φ = 3710361600.

The previous prime is 12448520753. The next prime is 12448520863. The reversal of 12448520832 is 23802584421.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233508 + ... + 281820.

Almost surely, 2^12448520832 is an apocalyptic number.

12448520832 is a gapful number since it is divisible by the number (12) 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 12448520832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18332264160).

12448520832 is an abundant number, since it is smaller than the sum of its proper divisors (24216007488).

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

12448520832 is a wasteful number, since it uses less digits than its factorization.

12448520832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48402 (or 48390 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 12448520832 in words is "twelve billion, four hundred forty-eight million, five hundred twenty thousand, eight hundred thirty-two".