11220012012212 has 12 divisors (see below), whose sum is σ = 19636182769056. Its totient is φ = 5609674078200.

The previous prime is 11220012012203. The next prime is 11220012012229. The reversal of 11220012012212 is 21221021002211.

It is a congruent 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, 82905914 + ... + 83041137.

It is an arithmetic number, because the mean of its divisors is an integer number (1636348564088).

Almost surely, 2^{11220012012212} is an apocalyptic number.

It is an amenable number.

11220012012212 is a deficient number, since it is larger than the sum of its proper divisors (8416170756844).

11220012012212 is a wasteful number, since it uses less digits than its factorization.

11220012012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165963958 (or 165963956 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11220012012212 its reverse (21221021002211), we get a palindrome (32441033014423).

The spelling of 11220012012212 in words is "eleven trillion, two hundred twenty billion, twelve million, twelve thousand, two hundred twelve".