2012221022212 has 24 divisors (see below), whose sum is σ = 3532392281600. Its totient is φ = 1002970273536.

The previous prime is 2012221022183. The next prime is 2012221022239. The reversal of 2012221022212 is 2122201222102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012221022212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401364 + ... + 2447092.

Almost surely, 2^{2012221022212} is an apocalyptic number.

It is an amenable number.

2012221022212 is a deficient number, since it is larger than the sum of its proper divisors (1520171259388).

2012221022212 is a wasteful number, since it uses less digits than its factorization.

2012221022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047235 (or 1047233 counting only the distinct ones).

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

Adding to 2012221022212 its reverse (2122201222102), we get a palindrome (4134422244314).

The spelling of 2012221022212 in words is "two trillion, twelve billion, two hundred twenty-one million, twenty-two thousand, two hundred twelve".