11220220012012 has 48 divisors (see below), whose sum is σ = 21945227784480. Its totient is φ = 4975172518400.

The previous prime is 11220220012007. The next prime is 11220220012069. The reversal of 11220220012012 is 21021002202211.

It is a happy number.

11220220012012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16694814 + ... + 17353882.

It is an arithmetic number, because the mean of its divisors is an integer number (457192245510).

Almost surely, 2^{11220220012012} is an apocalyptic number.

It is an amenable number.

11220220012012 is a deficient number, since it is larger than the sum of its proper divisors (10725007772468).

11220220012012 is a wasteful number, since it uses less digits than its factorization.

11220220012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668562 (or 668560 counting only the distinct ones).

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

Adding to 11220220012012 its reverse (21021002202211), we get a palindrome (32241222214223).

The spelling of 11220220012012 in words is "eleven trillion, two hundred twenty billion, two hundred twenty million, twelve thousand, twelve".