12163087500 has 288 divisors, whose sum is σ = 38305048320. Its totient is φ = 2993760000.

The previous prime is 12163087499. The next prime is 12163087523. The reversal of 12163087500 is 578036121.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30637302 + ... + 30637698.

It is an arithmetic number, because the mean of its divisors is an integer number (133003640).

Almost surely, 2^12163087500 is an apocalyptic number.

12163087500 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 12163087500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19152524160).

12163087500 is an abundant number, since it is smaller than the sum of its proper divisors (26141960820).

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

12163087500 is a wasteful number, since it uses less digits than its factorization.

12163087500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 12163087500 in words is "twelve billion, one hundred sixty-three million, eighty-seven thousand, five hundred".