11212012122212 has 96 divisors (see below), whose sum is σ = 22892747762304. Its totient is φ = 4748158208000.

The previous prime is 11212012122197. The next prime is 11212012122217. The reversal of 11212012122212 is 21222121021211.

It is not an unprimeable number, because it can be changed into a prime (11212012122217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495810218 + ... + 495832830.

It is an arithmetic number, because the mean of its divisors is an integer number (238466122524).

Almost surely, 2^{11212012122212} is an apocalyptic number.

It is an amenable number.

11212012122212 is an abundant number, since it is smaller than the sum of its proper divisors (11680735640092).

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

11212012122212 is a wasteful number, since it uses less digits than its factorization.

11212012122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29309 (or 29307 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11212012122212 its reverse (21222121021211), we get a palindrome (32434133143423).

The spelling of 11212012122212 in words is "eleven trillion, two hundred twelve billion, twelve million, one hundred twenty-two thousand, two hundred twelve".