12222100120 has 16 divisors (see below), whose sum is σ = 27499725360. Its totient is φ = 4888840032.

The previous prime is 12222100109. The next prime is 12222100133. The reversal of 12222100120 is 2100122221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12222100120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152776212 + ... + 152776291.

It is an arithmetic number, because the mean of its divisors is an integer number (1718732835).

Almost surely, 2^12222100120 is an apocalyptic number.

12222100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222100120 is an abundant number, since it is smaller than the sum of its proper divisors (15277625240).

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

12222100120 is a wasteful number, since it uses less digits than its factorization.

12222100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305552514 (or 305552510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12222100120 its reverse (2100122221), we get a palindrome (14322222341).

The spelling of 12222100120 in words is "twelve billion, two hundred twenty-two million, one hundred thousand, one hundred twenty".