212065248 has 24 divisors (see below), whose sum is σ = 556671528. Its totient is φ = 70688384.

The previous prime is 212065247. The next prime is 212065261. The reversal of 212065248 is 842560212.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212065247) 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, 1104411 + ... + 1104602.

It is an arithmetic number, because the mean of its divisors is an integer number (23194647).

Almost surely, 2^212065248 is an apocalyptic number.

It is an amenable number.

212065248 is an abundant number, since it is smaller than the sum of its proper divisors (344606280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212065248 is a wasteful number, since it uses less digits than its factorization.

212065248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209026 (or 2209018 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 212065248 is about 14562.4602317054. The cubic root of 212065248 is about 596.3343618794.

The spelling of 212065248 in words is "two hundred twelve million, sixty-five thousand, two hundred forty-eight".