2012200221212 has 24 divisors (see below), whose sum is σ = 3533974889760. Its totient is φ = 1002498880320.

The previous prime is 2012200221211. The next prime is 2012200221217. The reversal of 2012200221212 is 2121220022102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012200221211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675353 + ... + 2116719.

It is an arithmetic number, because the mean of its divisors is an integer number (147248953740).

Almost surely, 2^{2012200221212} is an apocalyptic number.

It is an amenable number.

2012200221212 is a deficient number, since it is larger than the sum of its proper divisors (1521774668548).

2012200221212 is a wasteful number, since it uses less digits than its factorization.

2012200221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442621 (or 1442619 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2012200221212 its reverse (2121220022102), we get a palindrome (4133420243314).

The spelling of 2012200221212 in words is "two trillion, twelve billion, two hundred million, two hundred twenty-one thousand, two hundred twelve".