12716187500 has 42 divisors (see below), whose sum is σ = 27816440820. Its totient is φ = 5086450000.

The previous prime is 12716187499. The next prime is 12716187509. The reversal of 12716187500 is 578161721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12716187509) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 39230 + ... + 164229.

It is an arithmetic number, because the mean of its divisors is an integer number (662296210).

Almost surely, 2^12716187500 is an apocalyptic number.

12716187500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12716187500 is an abundant number, since it is smaller than the sum of its proper divisors (15100253320).

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

12716187500 is an frugal number, since it uses more digits than its factorization.

12716187500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203493 (or 203466 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 38.

The spelling of 12716187500 in words is "twelve billion, seven hundred sixteen million, one hundred eighty-seven thousand, five hundred".