12506388250 has 32 divisors (see below), whose sum is σ = 23419013904. Its totient is φ = 5001048000.

The previous prime is 12506388239. The next prime is 12506388281. The reversal of 12506388250 is 5288360521.

12506388250 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 8 ways, for example, as 100661089 + 12405727161 = 10033^2 + 111381^2 .

It is a super-4 number, since 4×12506388250⁴ (a number of 41 digits) contains 4444 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1228180 + ... + 1238320.

Almost surely, 2^12506388250 is an apocalyptic number.

12506388250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12506388250 is a deficient number, since it is larger than the sum of its proper divisors (10912625654).

12506388250 is a wasteful number, since it uses less digits than its factorization.

12506388250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15091 (or 15081 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 12506388250 in words is "twelve billion, five hundred six million, three hundred eighty-eight thousand, two hundred fifty".