212936648 has 16 divisors (see below), whose sum is σ = 420270000. Its totient is φ = 100864656.

The previous prime is 212936627. The next prime is 212936663. The reversal of 212936648 is 846639212.

It is a super-2 number, since 2×212936648² = 90684032122951808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700298 + ... + 700601.

It is an arithmetic number, because the mean of its divisors is an integer number (26266875).

Almost surely, 2^212936648 is an apocalyptic number.

It is an amenable number.

212936648 is a deficient number, since it is larger than the sum of its proper divisors (207333352).

212936648 is a wasteful number, since it uses less digits than its factorization.

212936648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400924 (or 1400920 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 212936648 is about 14592.3489541609. The cubic root of 212936648 is about 597.1500473461.

The spelling of 212936648 in words is "two hundred twelve million, nine hundred thirty-six thousand, six hundred forty-eight".