2012123022 has 64 divisors (see below), whose sum is σ = 4958876160. Its totient is φ = 530031744.

The previous prime is 2012123021. The next prime is 2012123027. The reversal of 2012123022 is 2203212102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2012122992 and 2012123010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012123021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603853 + ... + 607175.

It is an arithmetic number, because the mean of its divisors is an integer number (77482440).

Almost surely, 2^2012123022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012123022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479438080).

2012123022 is an abundant number, since it is smaller than the sum of its proper divisors (2946753138).

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

2012123022 is a wasteful number, since it uses less digits than its factorization.

2012123022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2012123022 is about 44856.6942830164. The cubic root of 2012123022 is about 1262.4615987013.

Adding to 2012123022 its reverse (2203212102), we get a palindrome (4215335124).

The spelling of 2012123022 in words is "two billion, twelve million, one hundred twenty-three thousand, twenty-two".