12388239360 has 768 divisors, whose sum is σ = 51986188800. Its totient is φ = 2739142656.

The previous prime is 12388239349. The next prime is 12388239361. The reversal of 12388239360 is 6393288321.

12388239360 is a `hidden beast` number, since 1 + 2 + 388 + 239 + 36 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (12388239361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71608234 + ... + 71608406.

It is an arithmetic number, because the mean of its divisors is an integer number (67690350).

Almost surely, 2^12388239360 is an apocalyptic number.

12388239360 is a gapful number since it is divisible by the number (10) 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 12388239360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25993094400).

12388239360 is an abundant number, since it is smaller than the sum of its proper divisors (39597949440).

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

12388239360 is a wasteful number, since it uses less digits than its factorization.

12388239360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 12388239360 in words is "twelve billion, three hundred eighty-eight million, two hundred thirty-nine thousand, three hundred sixty".