112122212220212 has 24 divisors (see below), whose sum is σ = 201183473028552. Its totient is φ = 54643721932800.

The previous prime is 112122212220173. The next prime is 112122212220217. The reversal of 112122212220212 is 212022212221211.

It can be written as a sum of positive squares in 4 ways, for example, as 43661382120976 + 68460830099236 = 6607676^2 + 8274106^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122212220217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312570989 + ... + 312929492.

It is an arithmetic number, because the mean of its divisors is an integer number (8382644709523).

Almost surely, 2^{112122212220212} is an apocalyptic number.

It is an amenable number.

112122212220212 is a deficient number, since it is larger than the sum of its proper divisors (89061260808340).

112122212220212 is a wasteful number, since it uses less digits than its factorization.

112122212220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625501619 (or 625501617 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 112122212220212 its reverse (212022212221211), we get a palindrome (324144424441423).

Subtracting 112122212220212 from its reverse (212022212221211), we obtain a palindrome (99900000000999).

The spelling of 112122212220212 in words is "one hundred twelve trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, two hundred twelve".