12765400250 has 16 divisors (see below), whose sum is σ = 23896829736. Its totient is φ = 5106160000.

The previous prime is 12765400237. The next prime is 12765400279. The reversal of 12765400250 is 5200456721.

12765400250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1644221401 + 11121178849 = 40549^2 + 105457^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25530551 + ... + 25531050.

Almost surely, 2^12765400250 is an apocalyptic number.

12765400250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12765400250 is a deficient number, since it is larger than the sum of its proper divisors (11131429486).

12765400250 is an equidigital number, since it uses as much as digits as its factorization.

12765400250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51061618 (or 51061608 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 12765400250 its reverse (5200456721), we get a palindrome (17965856971).

The spelling of 12765400250 in words is "twelve billion, seven hundred sixty-five million, four hundred thousand, two hundred fifty".