112122001212 has 96 divisors (see below), whose sum is σ = 299730864384. Its totient is φ = 32315673600.

The previous prime is 112122001163. The next prime is 112122001223. The reversal of 112122001212 is 212100221211.

It is a junction number, because it is equal to n+sod(n) for n = 112122001191 and 112122001200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459387 + ... + 659757.

It is an arithmetic number, because the mean of its divisors is an integer number (3122196504).

Almost surely, 2^112122001212 is an apocalyptic number.

112122001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112122001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149865432192).

112122001212 is an abundant number, since it is smaller than the sum of its proper divisors (187608863172).

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

112122001212 is a wasteful number, since it uses less digits than its factorization.

112122001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200619 (or 200617 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112122001212 its reverse (212100221211), we get a palindrome (324222222423).

The spelling of 112122001212 in words is "one hundred twelve billion, one hundred twenty-two million, one thousand, two hundred twelve".