12320159352 has 64 divisors (see below), whose sum is σ = 32715407520. Its totient is φ = 3852914688.

The previous prime is 12320159333. The next prime is 12320159363. The reversal of 12320159352 is 25395102321.

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, 81708 + ... + 176964.

Almost surely, 2^12320159352 is an apocalyptic number.

12320159352 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 12320159352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16357703760).

12320159352 is an abundant number, since it is smaller than the sum of its proper divisors (20395248168).

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

12320159352 is a wasteful number, since it uses less digits than its factorization.

12320159352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95600 (or 95596 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 12320159352 in words is "twelve billion, three hundred twenty million, one hundred fifty-nine thousand, three hundred fifty-two".