11202220212012 has 36 divisors (see below), whose sum is σ = 28345125333616. Its totient is φ = 3730328082720.

The previous prime is 11202220211993. The next prime is 11202220212017. The reversal of 11202220212012 is 21021202220211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11202220212017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156018664 + ... + 156090447.

Almost surely, 2^{11202220212012} is an apocalyptic number.

11202220212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11202220212012 is an abundant number, since it is smaller than the sum of its proper divisors (17142905121604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11202220212012 is a wasteful number, since it uses less digits than its factorization.

11202220212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312110118 (or 312110113 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11202220212012 its reverse (21021202220211), we get a palindrome (32223422432223).

The spelling of 11202220212012 in words is "eleven trillion, two hundred two billion, two hundred twenty million, two hundred twelve thousand, twelve".