11212323212 has 12 divisors (see below), whose sum is σ = 19624852800. Its totient is φ = 5605222416.

The previous prime is 11212323211. The next prime is 11212323223. The reversal of 11212323212 is 21232321211.

11212323212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11212323211) by changing a digit.

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, 207587 + ... + 255962.

It is an arithmetic number, because the mean of its divisors is an integer number (1635404400).

Almost surely, 2^11212323212 is an apocalyptic number.

It is an amenable number.

11212323212 is a deficient number, since it is larger than the sum of its proper divisors (8412529588).

11212323212 is a wasteful number, since it uses less digits than its factorization.

11212323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469600 (or 469598 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 11212323212 its reverse (21232321211), we get a palindrome (32444644423).

It can be divided in two parts, 11 and 212323212, that multiplied together give a palindrome (2335555332).

The spelling of 11212323212 in words is "eleven billion, two hundred twelve million, three hundred twenty-three thousand, two hundred twelve".