2001112022212 has 12 divisors (see below), whose sum is σ = 3534674507280. Its totient is φ = 991205020136.

The previous prime is 2001112022209. The next prime is 2001112022243. The reversal of 2001112022212 is 2122202111002.

It is a happy number.

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, 2337747262 + ... + 2337748117.

It is an arithmetic number, because the mean of its divisors is an integer number (294556208940).

Almost surely, 2^{2001112022212} is an apocalyptic number.

It is an amenable number.

2001112022212 is a deficient number, since it is larger than the sum of its proper divisors (1533562485068).

2001112022212 is a wasteful number, since it uses less digits than its factorization.

2001112022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675495490 (or 4675495488 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2001112022212 its reverse (2122202111002), we get a palindrome (4123314133214).

The spelling of 2001112022212 in words is "two trillion, one billion, one hundred twelve million, twenty-two thousand, two hundred twelve".