2012201121012 has 24 divisors (see below), whose sum is σ = 4695176090976. Its totient is φ = 670727972448.

The previous prime is 2012201120999. The next prime is 2012201121041. The reversal of 2012201121012 is 2101211022102.

It is a junction number, because it is equal to n+sod(n) for n = 2012201120982 and 2012201121000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889143 + ... + 2194305.

It is an arithmetic number, because the mean of its divisors is an integer number (195632337124).

Almost surely, 2^{2012201121012} is an apocalyptic number.

It is an amenable number.

2012201121012 is an abundant number, since it is smaller than the sum of its proper divisors (2682974969964).

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

2012201121012 is a wasteful number, since it uses less digits than its factorization.

2012201121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433647 (or 1433645 counting only the distinct ones).

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

Adding to 2012201121012 its reverse (2101211022102), we get a palindrome (4113412143114).

The spelling of 2012201121012 in words is "two trillion, twelve billion, two hundred one million, one hundred twenty-one thousand, twelve".