212543128576 has 33 divisors (see below), whose sum is σ = 424908188679. Its totient is φ = 106264187904.

The previous prime is 212543128529. The next prime is 212543128583. The reversal of 212543128576 is 675821345212.

The square root of 212543128576 is 461024.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14745565 + ... + 14759971.

Almost surely, 2^212543128576 is an apocalyptic number.

212543128576 is the 461024-th square number.

It is an amenable number.

212543128576 is a deficient number, since it is larger than the sum of its proper divisors (212365060103).

212543128576 is an frugal number, since it uses more digits than its factorization.

212543128576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28834 (or 14409 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The spelling of 212543128576 in words is "two hundred twelve billion, five hundred forty-three million, one hundred twenty-eight thousand, five hundred seventy-six".