212566053625 has 32 divisors (see below), whose sum is σ = 268388640000. Its totient is φ = 168063491200.

The previous prime is 212566053587. The next prime is 212566053631. The reversal of 212566053625 is 526350665212.

It is not a de Polignac number, because 212566053625 - 2⁹ = 212566053113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39368676 + ... + 39374074.

It is an arithmetic number, because the mean of its divisors is an integer number (8387145000).

Almost surely, 2^212566053625 is an apocalyptic number.

212566053625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212566053625 is a deficient number, since it is larger than the sum of its proper divisors (55822586375).

212566053625 is an equidigital number, since it uses as much as digits as its factorization.

212566053625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9042 (or 9032 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 212566053625 in words is "two hundred twelve billion, five hundred sixty-six million, fifty-three thousand, six hundred twenty-five".