12665524250050 has 48 divisors (see below), whose sum is σ = 26923718593152. Its totient is φ = 4342395657600.

The previous prime is 12665524250047. The next prime is 12665524250077. The reversal of 12665524250050 is 5005242556621.

It is a super-2 number, since 2×12665524250050² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12665524249979 and 12665524250006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24538939 + ... + 25049761.

It is an arithmetic number, because the mean of its divisors is an integer number (560910804024).

Almost surely, 2^{12665524250050} is an apocalyptic number.

12665524250050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12665524250050 is an abundant number, since it is smaller than the sum of its proper divisors (14258194343102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12665524250050 is a wasteful number, since it uses less digits than its factorization.

12665524250050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581683 (or 581678 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 12665524250050 in words is "twelve trillion, six hundred sixty-five billion, five hundred twenty-four million, two hundred fifty thousand, fifty".