2001112200012 has 24 divisors (see below), whose sum is σ = 4819883149312. Its totient is φ = 645520064400.

The previous prime is 2001112200011. The next prime is 2001112200029. The reversal of 2001112200012 is 2100022111002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2001112200011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2689666564 + ... + 2689667307.

Almost surely, 2^{2001112200012} is an apocalyptic number.

It is an amenable number.

2001112200012 is an abundant number, since it is smaller than the sum of its proper divisors (2818770949300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001112200012 is a wasteful number, since it uses less digits than its factorization.

2001112200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379333909 (or 5379333907 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2001112200012 its reverse (2100022111002), we get a palindrome (4101134311014).

The spelling of 2001112200012 in words is "two trillion, one billion, one hundred twelve million, two hundred thousand, twelve".