12819351250 has 20 divisors (see below), whose sum is σ = 24028594326. Its totient is φ = 5127740000.

The previous prime is 12819351241. The next prime is 12819351271. The reversal of 12819351250 is 5215391821.

It can be written as a sum of positive squares in 5 ways, for example, as 356409 + 12818994841 = 597^2 + 113221^2 .

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 5126491 + ... + 5128990.

Almost surely, 2^12819351250 is an apocalyptic number.

12819351250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12819351250 is a deficient number, since it is larger than the sum of its proper divisors (11209243076).

12819351250 is an equidigital number, since it uses as much as digits as its factorization.

12819351250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10255503 (or 10255488 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 12819351250 in words is "twelve billion, eight hundred nineteen million, three hundred fifty-one thousand, two hundred fifty".