212042652 has 24 divisors (see below), whose sum is σ = 506834832. Its totient is φ = 68956800.

The previous prime is 212042651. The next prime is 212042713. The reversal of 212042652 is 256240212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212042651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 214999 + ... + 215982.

It is an arithmetic number, because the mean of its divisors is an integer number (21118118).

Almost surely, 2^212042652 is an apocalyptic number.

It is an amenable number.

212042652 is an abundant number, since it is smaller than the sum of its proper divisors (294792180).

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

212042652 is a wasteful number, since it uses less digits than its factorization.

212042652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431029 (or 431027 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 212042652 is about 14561.6843805928. The cubic root of 212042652 is about 596.3131808985.

Adding to 212042652 its reverse (256240212), we get a palindrome (468282864).

The spelling of 212042652 in words is "two hundred twelve million, forty-two thousand, six hundred fifty-two".