12387366500 has 24 divisors (see below), whose sum is σ = 27054009528. Its totient is φ = 4954946400.

The previous prime is 12387366487. The next prime is 12387366503. The reversal of 12387366500 is 566378321.

It can be written as a sum of positive squares in 4 ways, for example, as 3206277376 + 9181089124 = 56624^2 + 95818^2 .

It is not an unprimeable number, because it can be changed into a prime (12387366503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12386867 + ... + 12387866.

It is an arithmetic number, because the mean of its divisors is an integer number (1127250397).

Almost surely, 2^12387366500 is an apocalyptic number.

12387366500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12387366500 is an abundant number, since it is smaller than the sum of its proper divisors (14666643028).

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

12387366500 is a wasteful number, since it uses less digits than its factorization.

12387366500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24774752 (or 24774740 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 12387366500 in words is "twelve billion, three hundred eighty-seven million, three hundred sixty-six thousand, five hundred".