12863378500 has 96 divisors (see below), whose sum is σ = 32140652544. Its totient is φ = 4405680000.

The previous prime is 12863378459. The next prime is 12863378501. The reversal of 12863378500 is 587336821.

It is not an unprimeable number, because it can be changed into a prime (12863378501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6092445 + ... + 6094555.

It is an arithmetic number, because the mean of its divisors is an integer number (334798464).

Almost surely, 2^12863378500 is an apocalyptic number.

12863378500 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 12863378500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16070326272).

12863378500 is an abundant number, since it is smaller than the sum of its proper divisors (19277274044).

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

12863378500 is a wasteful number, since it uses less digits than its factorization.

12863378500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878 (or 3866 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 12863378500 in words is "twelve billion, eight hundred sixty-three million, three hundred seventy-eight thousand, five hundred".