11220002012 has 6 divisors (see below), whose sum is σ = 19635003528. Its totient is φ = 5610001004.

The previous prime is 11220001981. The next prime is 11220002041. The reversal of 11220002012 is 21020002211.

It is a happy number.

11220002012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11220001984 and 11220002002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402500248 + ... + 1402500255.

It is an arithmetic number, because the mean of its divisors is an integer number (3272500588).

Almost surely, 2^11220002012 is an apocalyptic number.

It is an amenable number.

11220002012 is a deficient number, since it is larger than the sum of its proper divisors (8415001516).

11220002012 is a wasteful number, since it uses less digits than its factorization.

11220002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805000507 (or 2805000505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11220002012 its reverse (21020002211), we get a palindrome (32240004223).

The spelling of 11220002012 in words is "eleven billion, two hundred twenty million, two thousand, twelve".