12257456650 has 24 divisors (see below), whose sum is σ = 23283956160. Its totient is φ = 4798662960.

The previous prime is 12257456591. The next prime is 12257456713. The reversal of 12257456650 is 5665475221.

12257456650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12257456597 and 12257456606.

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 11 ways as a sum of consecutive naturals, for example, 2605620 + ... + 2610319.

It is an arithmetic number, because the mean of its divisors is an integer number (970164840).

Almost surely, 2^12257456650 is an apocalyptic number.

12257456650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12257456650 is a deficient number, since it is larger than the sum of its proper divisors (11026499510).

12257456650 is a wasteful number, since it uses less digits than its factorization.

12257456650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215998 (or 5215993 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 12257456650 in words is "twelve billion, two hundred fifty-seven million, four hundred fifty-six thousand, six hundred fifty".