212300242 has 48 divisors (see below), whose sum is σ = 418115520. Its totient is φ = 79850400.

The previous prime is 212300239. The next prime is 212300273. The reversal of 212300242 is 242003212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27867 + ... + 34657.

It is an arithmetic number, because the mean of its divisors is an integer number (8710740).

Almost surely, 2^212300242 is an apocalyptic number.

212300242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212300242 is a deficient number, since it is larger than the sum of its proper divisors (205815278).

212300242 is a wasteful number, since it uses less digits than its factorization.

212300242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847 (or 6840 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 212300242 is about 14570.5264832812. The cubic root of 212300242 is about 596.5545508197.

Adding to 212300242 its reverse (242003212), we get a palindrome (454303454).

The spelling of 212300242 in words is "two hundred twelve million, three hundred thousand, two hundred forty-two".