12158317080 has 960 divisors, whose sum is σ = 52767015840. Its totient is φ = 2487324672.

The previous prime is 12158317051. The next prime is 12158317081. The reversal of 12158317080 is 8071385121.

12158317080 is a `hidden beast` number, since 1 + 2 + 1 + 583 + 1 + 70 + 8 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12158317081) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 88746772 + ... + 88746908.

Almost surely, 2^12158317080 is an apocalyptic number.

12158317080 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 12158317080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26383507920).

12158317080 is an abundant number, since it is smaller than the sum of its proper divisors (40608698760).

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

12158317080 is a wasteful number, since it uses less digits than its factorization.

12158317080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 12158317080 in words is "twelve billion, one hundred fifty-eight million, three hundred seventeen thousand, eighty".