2011222013212 has 12 divisors (see below), whose sum is σ = 3519648493200. Its totient is φ = 1005608158016.

The previous prime is 2011222013209. The next prime is 2011222013279. The reversal of 2011222013212 is 2123102221102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011222013212.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2195748 + ... + 2973844.

It is an arithmetic number, because the mean of its divisors is an integer number (293304041100).

Almost surely, 2^{2011222013212} is an apocalyptic number.

It is an amenable number.

2011222013212 is a deficient number, since it is larger than the sum of its proper divisors (1508426479988).

2011222013212 is a wasteful number, since it uses less digits than its factorization.

2011222013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424300 (or 1424298 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2011222013212 its reverse (2123102221102), we get a palindrome (4134324234314).

The spelling of 2011222013212 in words is "two trillion, eleven billion, two hundred twenty-two million, thirteen thousand, two hundred twelve".