212050242 has 24 divisors (see below), whose sum is σ = 459710316. Its totient is φ = 70642176.

The previous prime is 212050177. The next prime is 212050247. The reversal of 212050242 is 242050212.

212050242 is a `hidden beast` number, since 2 + 120 + 502 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 206755641 + 5294601 = 14379^2 + 2301^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (212050247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56818 + ... + 60434.

Almost surely, 2^212050242 is an apocalyptic number.

212050242 is an abundant number, since it is smaller than the sum of its proper divisors (247660074).

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

212050242 is a wasteful number, since it uses less digits than its factorization.

212050242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882 (or 6879 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 212050242 is about 14561.9449937156. The cubic root of 212050242 is about 596.3202957612.

The spelling of 212050242 in words is "two hundred twelve million, fifty thousand, two hundred forty-two".