12211120120 has 16 divisors (see below), whose sum is σ = 27475020360. Its totient is φ = 4884448032.

The previous prime is 12211120093. The next prime is 12211120151. The reversal of 12211120120 is 2102111221.

It is a super-2 number, since 2×12211120120² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211120120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152638962 + ... + 152639041.

Almost surely, 2^12211120120 is an apocalyptic number.

12211120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211120120 is an abundant number, since it is smaller than the sum of its proper divisors (15263900240).

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

12211120120 is a wasteful number, since it uses less digits than its factorization.

12211120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305278014 (or 305278010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12211120120 its reverse (2102111221), we get a palindrome (14313231341).

It can be divided in two parts, 122111201 and 20, that added together give a palindrome (122111221).

The spelling of 12211120120 in words is "twelve billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty".