12239144064 has 384 divisors, whose sum is σ = 42415027200. Its totient is φ = 3440600064.

The previous prime is 12239144039. The next prime is 12239144107. The reversal of 12239144064 is 46044193221.

12239144064 is a `hidden beast` number, since 1 + 2 + 239 + 14 + 406 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 14587357 + ... + 14588195.

It is an arithmetic number, because the mean of its divisors is an integer number (110455800).

Almost surely, 2^12239144064 is an apocalyptic number.

12239144064 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 12239144064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21207513600).

12239144064 is an abundant number, since it is smaller than the sum of its proper divisors (30175883136).

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

12239144064 is an frugal number, since it uses more digits than its factorization.

12239144064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 918 counting only the distinct ones).

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

The spelling of 12239144064 in words is "twelve billion, two hundred thirty-nine million, one hundred forty-four thousand, sixty-four".