212653212 has 12 divisors (see below), whose sum is σ = 496190856. Its totient is φ = 70884400.

The previous prime is 212653159. The next prime is 212653219. The reversal of 212653212 is 212356212.

212653212 is digitally balanced in base 2 and base 3, 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 (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212653219) 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, 8860539 + ... + 8860562.

It is an arithmetic number, because the mean of its divisors is an integer number (41349238).

Almost surely, 2^212653212 is an apocalyptic number.

It is an amenable number.

212653212 is an abundant number, since it is smaller than the sum of its proper divisors (283537644).

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

212653212 is a wasteful number, since it uses less digits than its factorization.

212653212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17721108 (or 17721106 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 212653212 is about 14582.6339184662. The cubic root of 212653212 is about 596.8849779387.

The spelling of 212653212 in words is "two hundred twelve million, six hundred fifty-three thousand, two hundred twelve".