212555264 has 20 divisors (see below), whose sum is σ = 424696404. Its totient is φ = 106277376.

The previous prime is 212555257. The next prime is 212555279. The reversal of 212555264 is 462555212.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 212555264.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207062 + ... + 208085.

Almost surely, 2^212555264 is an apocalyptic number.

It is an amenable number.

212555264 is a deficient number, since it is larger than the sum of its proper divisors (212141140).

212555264 is an frugal number, since it uses more digits than its factorization.

212555264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415165 (or 415149 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 212555264 is about 14579.2751534498. The cubic root of 212555264 is about 596.7933221897.

The spelling of 212555264 in words is "two hundred twelve million, five hundred fifty-five thousand, two hundred sixty-four".