112222202221212 has 48 divisors (see below), whose sum is σ = 264327673320480. Its totient is φ = 37053896352768.

The previous prime is 112222202221159. The next prime is 112222202221237. The reversal of 112222202221212 is 212122202222211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7239793 + ... + 16639080.

It is an arithmetic number, because the mean of its divisors is an integer number (5506826527510).

Almost surely, 2^{112222202221212} is an apocalyptic number.

112222202221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112222202221212 is an abundant number, since it is smaller than the sum of its proper divisors (152105471099268).

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

112222202221212 is a wasteful number, since it uses less digits than its factorization.

112222202221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23882582 (or 23882580 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 112222202221212 its reverse (212122202222211), we get a palindrome (324344404443423).

Subtracting 112222202221212 from its reverse (212122202222211), we obtain a palindrome (99900000000999).

The spelling of 112222202221212 in words is "one hundred twelve trillion, two hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, two hundred twelve".