12158088600 has 384 divisors, whose sum is σ = 45597081600. Its totient is φ = 2617920000.

The previous prime is 12158088589. The next prime is 12158088601. The reversal of 12158088600 is 688085121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12158088601) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20029497 + ... + 20030103.

It is an arithmetic number, because the mean of its divisors is an integer number (118742400).

Almost surely, 2^12158088600 is an apocalyptic number.

12158088600 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 12158088600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22798540800).

12158088600 is an abundant number, since it is smaller than the sum of its proper divisors (33438993000).

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

12158088600 is a wasteful number, since it uses less digits than its factorization.

12158088600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 39.

The spelling of 12158088600 in words is "twelve billion, one hundred fifty-eight million, eighty-eight thousand, six hundred".