12525026650 has 12 divisors (see below), whose sum is σ = 23296549662. Its totient is φ = 5010010640.

The previous prime is 12525026629. The next prime is 12525026687. The reversal of 12525026650 is 5662052521.

It can be written as a sum of positive squares in 3 ways, for example, as 6152676721 + 6372349929 = 78439^2 + 79827^2 .

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 5 ways as a sum of consecutive naturals, for example, 125250217 + ... + 125250316.

Almost surely, 2^12525026650 is an apocalyptic number.

12525026650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12525026650 is a deficient number, since it is larger than the sum of its proper divisors (10771523012).

12525026650 is a wasteful number, since it uses less digits than its factorization.

12525026650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250500545 (or 250500540 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 12525026650 in words is "twelve billion, five hundred twenty-five million, twenty-six thousand, six hundred fifty".