12113322220 has 48 divisors (see below), whose sum is σ = 26040083328. Its totient is φ = 4731125760.

The previous prime is 12113322191. The next prime is 12113322223. The reversal of 12113322220 is 2222331121.

It is not an unprimeable number, because it can be changed into a prime (12113322223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 392140 + ... + 421900.

It is an arithmetic number, because the mean of its divisors is an integer number (542501736).

Almost surely, 2^12113322220 is an apocalyptic number.

12113322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113322220 is an abundant number, since it is smaller than the sum of its proper divisors (13926761108).

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

12113322220 is a wasteful number, since it uses less digits than its factorization.

12113322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30250 (or 30248 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12113322220 its reverse (2222331121), we get a palindrome (14335653341).

The spelling of 12113322220 in words is "twelve billion, one hundred thirteen million, three hundred twenty-two thousand, two hundred twenty".