1012500065656 has 16 divisors (see below), whose sum is σ = 1899704115000. Its totient is φ = 505912301664.

The previous prime is 1012500065651. The next prime is 1012500065659. The reversal of 1012500065656 is 6565600052101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012500065651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42203655 + ... + 42227638.

Almost surely, 2^{1012500065656} is an apocalyptic number.

It is an amenable number.

1012500065656 is a deficient number, since it is larger than the sum of its proper divisors (887204049344).

1012500065656 is a wasteful number, since it uses less digits than its factorization.

1012500065656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84432798 (or 84432794 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1012500065656 in words is "one trillion, twelve billion, five hundred million, sixty-five thousand, six hundred fifty-six".