11212012212 has 12 divisors (see below), whose sum is σ = 26161361856. Its totient is φ = 3737337400.

The previous prime is 11212012199. The next prime is 11212012223. The reversal of 11212012212 is 21221021211.

11212012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 11212012191 and 11212012200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467167164 + ... + 467167187.

It is an arithmetic number, because the mean of its divisors is an integer number (2180113488).

Almost surely, 2^11212012212 is an apocalyptic number.

11212012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212012212 is an abundant number, since it is smaller than the sum of its proper divisors (14949349644).

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

11212012212 is a wasteful number, since it uses less digits than its factorization.

11212012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934334358 (or 934334356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212012212 its reverse (21221021211), we get a palindrome (32433033423).

The spelling of 11212012212 in words is "eleven billion, two hundred twelve million, twelve thousand, two hundred twelve".