2012110221012 has 96 divisors (see below), whose sum is σ = 5100802291200. Its totient is φ = 615310515072.

The previous prime is 2012110220891. The next prime is 2012110221041. The reversal of 2012110221012 is 2101220112102.

It is a junction number, because it is equal to n+sod(n) for n = 2012110220982 and 2012110221000.

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, 214963 + ... + 2017530.

It is an arithmetic number, because the mean of its divisors is an integer number (53133357200).

Almost surely, 2^{2012110221012} 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 2012110221012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550401145600).

2012110221012 is an abundant number, since it is smaller than the sum of its proper divisors (3088692070188).

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

2012110221012 is a wasteful number, since it uses less digits than its factorization.

2012110221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232645 (or 2232643 counting only the distinct ones).

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

Adding to 2012110221012 its reverse (2101220112102), we get a palindrome (4113330333114).

The spelling of 2012110221012 in words is "two trillion, twelve billion, one hundred ten million, two hundred twenty-one thousand, twelve".