11222012122212 has 12 divisors (see below), whose sum is σ = 26184694951856. Its totient is φ = 3740670707400.

The previous prime is 11222012122199. The next prime is 11222012122229. The reversal of 11222012122212 is 21222121022211.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467583838414 + ... + 467583838437.

Almost surely, 2^{11222012122212} is an apocalyptic number.

11222012122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222012122212 is an abundant number, since it is smaller than the sum of its proper divisors (14962682829644).

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

11222012122212 is a wasteful number, since it uses less digits than its factorization.

11222012122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935167676858 (or 935167676856 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11222012122212 its reverse (21222121022211), we get a palindrome (32444133144423).

The spelling of 11222012122212 in words is "eleven trillion, two hundred twenty-two billion, twelve million, one hundred twenty-two thousand, two hundred twelve".