12380533984 has 96 divisors (see below), whose sum is σ = 30966921216. Its totient is φ = 4739765760.

The previous prime is 12380533889. The next prime is 12380534003. The reversal of 12380533984 is 48933508321.

It is a congruent number.

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, 21699 + ... + 158845.

It is an arithmetic number, because the mean of its divisors is an integer number (322572096).

Almost surely, 2^12380533984 is an apocalyptic number.

12380533984 is a gapful number since it is divisible by the number (14) 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 12380533984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15483460608).

12380533984 is an abundant number, since it is smaller than the sum of its proper divisors (18586387232).

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

12380533984 is a wasteful number, since it uses less digits than its factorization.

12380533984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137208 (or 137200 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 12380533984 in words is "twelve billion, three hundred eighty million, five hundred thirty-three thousand, nine hundred eighty-four".