112021202221212 has 12 divisors (see below), whose sum is σ = 261382805182856. Its totient is φ = 37340400740400.

The previous prime is 112021202221207. The next prime is 112021202221249. The reversal of 112021202221212 is 212122202120211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4667550092539 + ... + 4667550092562.

Almost surely, 2^{112021202221212} is an apocalyptic number.

112021202221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112021202221212 is an abundant number, since it is smaller than the sum of its proper divisors (149361602961644).

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

112021202221212 is a wasteful number, since it uses less digits than its factorization.

112021202221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335100185108 (or 9335100185106 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112021202221212 its reverse (212122202120211), we get a palindrome (324143404341423).

The spelling of 112021202221212 in words is "one hundred twelve trillion, twenty-one billion, two hundred two million, two hundred twenty-one thousand, two hundred twelve".