12340203984 has 320 divisors, whose sum is σ = 40068864000. Its totient is φ = 3614865408.

The previous prime is 12340203959. The next prime is 12340204003. The reversal of 12340203984 is 48930204321.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7262367 + ... + 7264065.

It is an arithmetic number, because the mean of its divisors is an integer number (125215200).

Almost surely, 2^12340203984 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 12340203984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20034432000).

12340203984 is an abundant number, since it is smaller than the sum of its proper divisors (27728660016).

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

12340203984 is a wasteful number, since it uses less digits than its factorization.

12340203984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1787 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 12340203984 in words is "twelve billion, three hundred forty million, two hundred three thousand, nine hundred eighty-four".