112221021212 has 6 divisors (see below), whose sum is σ = 196386787128. Its totient is φ = 56110510604.

The previous prime is 112221021193. The next prime is 112221021257. The reversal of 112221021212 is 212120122211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027627648 + ... + 14027627655.

It is an arithmetic number, because the mean of its divisors is an integer number (32731131188).

Almost surely, 2^112221021212 is an apocalyptic number.

It is an amenable number.

112221021212 is a deficient number, since it is larger than the sum of its proper divisors (84165765916).

112221021212 is a wasteful number, since it uses less digits than its factorization.

112221021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28055255307 (or 28055255305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112221021212 its reverse (212120122211), we get a palindrome (324341143423).

The spelling of 112221021212 in words is "one hundred twelve billion, two hundred twenty-one million, twenty-one thousand, two hundred twelve".