212200342242 has 64 divisors (see below), whose sum is σ = 487526307840. Its totient is φ = 60317351424.

The previous prime is 212200342183. The next prime is 212200342337. The reversal of 212200342242 is 242243002212.

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 31 ways as a sum of consecutive naturals, for example, 6492313 + ... + 6524915.

It is an arithmetic number, because the mean of its divisors is an integer number (7617598560).

Almost surely, 2^212200342242 is an apocalyptic number.

212200342242 is an abundant number, since it is smaller than the sum of its proper divisors (275325965598).

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

212200342242 is a wasteful number, since it uses less digits than its factorization.

212200342242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33407.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 212200342242 its reverse (242243002212), we get a palindrome (454443344454).

The spelling of 212200342242 in words is "two hundred twelve billion, two hundred million, three hundred forty-two thousand, two hundred forty-two".