212207652 has 36 divisors (see below), whose sum is σ = 537526080. Its totient is φ = 70589232.

The previous prime is 212207641. The next prime is 212207687. The reversal of 212207652 is 256702212.

212207652 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 0 + 7 + 652 = 666.

212207652 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

212207652 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12249 + ... + 23967.

It is an arithmetic number, because the mean of its divisors is an integer number (14931280).

Almost surely, 2^212207652 is an apocalyptic number.

It is an amenable number.

212207652 is an abundant number, since it is smaller than the sum of its proper divisors (325318428).

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

212207652 is a wasteful number, since it uses less digits than its factorization.

212207652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12232 (or 12227 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 212207652 is about 14567.3488322344. The cubic root of 212207652 is about 596.4678135694.

Adding to 212207652 its reverse (256702212), we get a palindrome (468909864).

The spelling of 212207652 in words is "two hundred twelve million, two hundred seven thousand, six hundred fifty-two".