11030320212 has 12 divisors (see below), whose sum is σ = 25737413856. Its totient is φ = 3676773400.

The previous prime is 11030320187. The next prime is 11030320219. The reversal of 11030320212 is 21202303011.

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 = 11030320191 and 11030320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030320219) 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, 459596664 + ... + 459596687.

It is an arithmetic number, because the mean of its divisors is an integer number (2144784488).

Almost surely, 2^11030320212 is an apocalyptic number.

11030320212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11030320212 is an abundant number, since it is smaller than the sum of its proper divisors (14707093644).

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

11030320212 is a wasteful number, since it uses less digits than its factorization.

11030320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919193358 (or 919193356 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11030320212 its reverse (21202303011), we get a palindrome (32232623223).

The spelling of 11030320212 in words is "eleven billion, thirty million, three hundred twenty thousand, two hundred twelve".