12110221320 has 96 divisors (see below), whose sum is σ = 38593584000. Its totient is φ = 3039419392.

The previous prime is 12110221309. The next prime is 12110221363. The reversal of 12110221320 is 2312201121.

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 12110221320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139920 + ... + 209279.

It is an arithmetic number, because the mean of its divisors is an integer number (402016500).

Almost surely, 2^12110221320 is an apocalyptic number.

12110221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110221320 is an abundant number, since it is smaller than the sum of its proper divisors (26483362680).

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

12110221320 is a wasteful number, since it uses less digits than its factorization.

12110221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349247 (or 349226 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12110221320 its reverse (2312201121), we get a palindrome (14422422441).

The spelling of 12110221320 in words is "twelve billion, one hundred ten million, two hundred twenty-one thousand, three hundred twenty".