11222200212 has 12 divisors (see below), whose sum is σ = 26185133856. Its totient is φ = 3740733400.

The previous prime is 11222200153. The next prime is 11222200219. The reversal of 11222200212 is 21200222211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11222200191 and 11222200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222200219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467591664 + ... + 467591687.

It is an arithmetic number, because the mean of its divisors is an integer number (2182094488).

Almost surely, 2^11222200212 is an apocalyptic number.

11222200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222200212 is an abundant number, since it is smaller than the sum of its proper divisors (14962933644).

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

11222200212 is a wasteful number, since it uses less digits than its factorization.

11222200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935183358 (or 935183356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11222200212 its reverse (21200222211), we get a palindrome (32422422423).

The spelling of 11222200212 in words is "eleven billion, two hundred twenty-two million, two hundred thousand, two hundred twelve".