212660532 has 48 divisors (see below), whose sum is σ = 630107520. Its totient is φ = 60759936.

The previous prime is 212660501. The next prime is 212660533. The reversal of 212660532 is 235066212.

212660532 is a `hidden beast` number, since 2 + 1 + 26 + 605 + 32 = 666.

212660532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 212660496 and 212660505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212660533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139893 + ... + 141404.

It is an arithmetic number, because the mean of its divisors is an integer number (13127240).

Almost surely, 2^212660532 is an apocalyptic number.

It is an amenable number.

212660532 is an abundant number, since it is smaller than the sum of its proper divisors (417446988).

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

212660532 is a wasteful number, since it uses less digits than its factorization.

212660532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281317 (or 281309 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 212660532 is about 14582.8848997721. The cubic root of 212660532 is about 596.8918265662.

Subtracting from 212660532 its product of nonzero digits (4320), we obtain a palindrome (212656212).

The spelling of 212660532 in words is "two hundred twelve million, six hundred sixty thousand, five hundred thirty-two".