12222220120 has 64 divisors (see below), whose sum is σ = 30265604640. Its totient is φ = 4405094400.

The previous prime is 12222220097. The next prime is 12222220123. The reversal of 12222220120 is 2102222221.

It is a junction number, because it is equal to n+sod(n) for n = 12222220094 and 12222220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222220123) 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, 73191 + ... + 172630.

Almost surely, 2^12222220120 is an apocalyptic number.

12222220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222220120 is an abundant number, since it is smaller than the sum of its proper divisors (18043384520).

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

12222220120 is a wasteful number, since it uses less digits than its factorization.

12222220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245956 (or 245952 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12222220120 its reverse (2102222221), we get a palindrome (14324442341).

It can be divided in two parts, 122222201 and 20, that added together give a palindrome (122222221).

The spelling of 12222220120 in words is "twelve billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty".