12211030320 has 40 divisors (see below), whose sum is σ = 37854194736. Its totient is φ = 3256274688.

The previous prime is 12211030313. The next prime is 12211030331. The reversal of 12211030320 is 2303011221.

12211030320 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 (40).

It is a super-3 number, since 3×12211030320³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12211030320.

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 7 ways as a sum of consecutive naturals, for example, 25439407 + ... + 25439886.

Almost surely, 2^12211030320 is an apocalyptic number.

12211030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211030320 is an abundant number, since it is smaller than the sum of its proper divisors (25643164416).

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

12211030320 is a wasteful number, since it uses less digits than its factorization.

12211030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50879309 (or 50879303 counting only the distinct ones).

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

Adding to 12211030320 its reverse (2303011221), we get a palindrome (14514041541).

The spelling of 12211030320 in words is "twelve billion, two hundred eleven million, thirty thousand, three hundred twenty".