112221020212012 has 12 divisors (see below), whose sum is σ = 197885921138136. Its totient is φ = 55682185601120.

The previous prime is 112221020212009. The next prime is 112221020212019. The reversal of 112221020212012 is 210212020122211.

It is not an unprimeable number, because it can be changed into a prime (112221020212019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107081125633 + ... + 107081126680.

It is an arithmetic number, because the mean of its divisors is an integer number (16490493428178).

Almost surely, 2^{112221020212012} is an apocalyptic number.

It is an amenable number.

112221020212012 is a deficient number, since it is larger than the sum of its proper divisors (85664900926124).

112221020212012 is a wasteful number, since it uses less digits than its factorization.

112221020212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214162252448 (or 214162252446 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112221020212012 its reverse (210212020122211), we get a palindrome (322433040334223).

The spelling of 112221020212012 in words is "one hundred twelve trillion, two hundred twenty-one billion, twenty million, two hundred twelve thousand, twelve".