2012122021112 has 32 divisors (see below), whose sum is σ = 4312893849600. Its totient is φ = 862097248224.

The previous prime is 2012122021111. The next prime is 2012122021193. The reversal of 2012122021112 is 2111202212102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012122021111) 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, 4813412 + ... + 5214707.

It is an arithmetic number, because the mean of its divisors is an integer number (134777932800).

Almost surely, 2^{2012122021112} is an apocalyptic number.

It is an amenable number.

2012122021112 is an abundant number, since it is smaller than the sum of its proper divisors (2300771828488).

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

2012122021112 is a wasteful number, since it uses less digits than its factorization.

2012122021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10031715 (or 10031711 counting only the distinct ones).

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

Adding to 2012122021112 its reverse (2111202212102), we get a palindrome (4123324233214).

The spelling of 2012122021112 in words is "two trillion, twelve billion, one hundred twenty-two million, twenty-one thousand, one hundred twelve".