2122012122112 has 88 divisors (see below), whose sum is σ = 4374846434880. Its totient is φ = 1028006461440.

The previous prime is 2122012122103. The next prime is 2122012122161. The reversal of 2122012122112 is 2112212102212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122012122112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8938062 + ... + 9172402.

Almost surely, 2^{2122012122112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122012122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2187423217440).

2122012122112 is an abundant number, since it is smaller than the sum of its proper divisors (2252834312768).

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

2122012122112 is a wasteful number, since it uses less digits than its factorization.

2122012122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234637 (or 234619 counting only the distinct ones).

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

Adding to 2122012122112 its reverse (2112212102212), we get a palindrome (4234224224324).

The spelling of 2122012122112 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred twenty-two thousand, one hundred twelve".