11220000122012 has 24 divisors (see below), whose sum is σ = 21423676713600. Its totient is φ = 5099124702960.

The previous prime is 11220000122011. The next prime is 11220000122033. The reversal of 11220000122012 is 21022100002211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220000122011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21624512 + ... + 22137287.

It is an arithmetic number, because the mean of its divisors is an integer number (892653196400).

Almost surely, 2^{11220000122012} is an apocalyptic number.

It is an amenable number.

11220000122012 is a deficient number, since it is larger than the sum of its proper divisors (10203676591588).

11220000122012 is a wasteful number, since it uses less digits than its factorization.

11220000122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43767641 (or 43767639 counting only the distinct ones).

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

Adding to 11220000122012 its reverse (21022100002211), we get a palindrome (32242100124223).

The spelling of 11220000122012 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-two thousand, twelve".