11000000212 has 24 divisors (see below), whose sum is σ = 20611379880. Its totient is φ = 5118305280.

The previous prime is 11000000203. The next prime is 11000000213. The reversal of 11000000212 is 21200000011.

It can be written as a sum of positive squares in 4 ways, for example, as 3735165456 + 7264834756 = 61116^2 + 85234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11000000195 and 11000000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000000213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 902739 + ... + 914842.

It is an arithmetic number, because the mean of its divisors is an integer number (858807495).

Almost surely, 2^11000000212 is an apocalyptic number.

It is an amenable number.

11000000212 is a deficient number, since it is larger than the sum of its proper divisors (9611379668).

11000000212 is a wasteful number, since it uses less digits than its factorization.

11000000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817691 (or 1817689 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 11000000212 its reverse (21200000011), we get a palindrome (32200000223).

The spelling of 11000000212 in words is "eleven billion, two hundred twelve", and thus it is an aban number.