2012210222212 has 12 divisors (see below), whose sum is σ = 3525720636060. Its totient is φ = 1004861469056.

The previous prime is 2012210222201. The next prime is 2012210222261. The reversal of 2012210222212 is 2122220122102.

It can be written as a sum of positive squares in 2 ways, for example, as 942425457796 + 1069784764416 = 970786^2 + 1034304^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2012210222212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310906873 + ... + 310913344.

It is an arithmetic number, because the mean of its divisors is an integer number (293810053005).

Almost surely, 2^{2012210222212} is an apocalyptic number.

It is an amenable number.

2012210222212 is a deficient number, since it is larger than the sum of its proper divisors (1513510413848).

2012210222212 is a wasteful number, since it uses less digits than its factorization.

2012210222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621821030 (or 621821028 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2012210222212 its reverse (2122220122102), we get a palindrome (4134430344314).

The spelling of 2012210222212 in words is "two trillion, twelve billion, two hundred ten million, two hundred twenty-two thousand, two hundred twelve".