2012021202012 has 12 divisors (see below), whose sum is σ = 4694716138056. Its totient is φ = 670673734000.

The previous prime is 2012021202011. The next prime is 2012021202047. The reversal of 2012021202012 is 2102021202102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2012021201982 and 2012021202000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012021202011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83834216739 + ... + 83834216762.

It is an arithmetic number, because the mean of its divisors is an integer number (391226344838).

Almost surely, 2^{2012021202012} is an apocalyptic number.

It is an amenable number.

2012021202012 is an abundant number, since it is smaller than the sum of its proper divisors (2682694936044).

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

2012021202012 is a wasteful number, since it uses less digits than its factorization.

2012021202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167668433508 (or 167668433506 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2012021202012 its reverse (2102021202102), we get a palindrome (4114042404114).

The spelling of 2012021202012 in words is "two trillion, twelve billion, twenty-one million, two hundred two thousand, twelve".