212250242 has 16 divisors (see below), whose sum is σ = 329102592. Its totient is φ = 102558960.

The previous prime is 212250239. The next prime is 212250257. The reversal of 212250242 is 242052212.

It is an unprimeable number.

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, 52808 + ... + 56684.

It is an arithmetic number, because the mean of its divisors is an integer number (20568912).

Almost surely, 2^212250242 is an apocalyptic number.

212250242 is a deficient number, since it is larger than the sum of its proper divisors (116852350).

212250242 is a wasteful number, since it uses less digits than its factorization.

212250242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 212250242 is about 14568.8105897496. The cubic root of 212250242 is about 596.5077145259.

The spelling of 212250242 in words is "two hundred twelve million, two hundred fifty thousand, two hundred forty-two".