11212320330 has 48 divisors (see below), whose sum is σ = 29629949544. Its totient is φ = 2940935040.

The previous prime is 11212320313. The next prime is 11212320331. The reversal of 11212320330 is 3302321211.

11212320330 is a `hidden beast` number, since 1 + 1 + 2 + 12 + 320 + 330 = 666.

11212320330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6271214481 + 4941105849 = 79191^2 + 70293^2 .

It is a super-2 number, since 2×11212320330² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11212320331) 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 23 ways as a sum of consecutive naturals, for example, 1015669 + ... + 1026648.

Almost surely, 2^11212320330 is an apocalyptic number.

11212320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212320330 is an abundant number, since it is smaller than the sum of its proper divisors (18417629214).

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

11212320330 is a wasteful number, since it uses less digits than its factorization.

11212320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042391 (or 2042388 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11212320330 its reverse (3302321211), we get a palindrome (14514641541).

The spelling of 11212320330 in words is "eleven billion, two hundred twelve million, three hundred twenty thousand, three hundred thirty".