2011220012012 has 12 divisors (see below), whose sum is σ = 3519773381376. Its totient is φ = 1005570474480.

The previous prime is 2011220011991. The next prime is 2011220012059. The reversal of 2011220012012 is 2102100221102.

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, 9768263 + ... + 9972030.

It is an arithmetic number, because the mean of its divisors is an integer number (293314448448).

Almost surely, 2^{2011220012012} is an apocalyptic number.

It is an amenable number.

2011220012012 is a deficient number, since it is larger than the sum of its proper divisors (1508553369364).

2011220012012 is a wasteful number, since it uses less digits than its factorization.

2011220012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19765768 (or 19765766 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011220012012 its reverse (2102100221102), we get a palindrome (4113320233114).

The spelling of 2011220012012 in words is "two trillion, eleven billion, two hundred twenty million, twelve thousand, twelve".