12100022222120 has 32 divisors (see below), whose sum is σ = 31114342857600. Its totient is φ = 4148579047488.

The previous prime is 12100022222107. The next prime is 12100022222203. The reversal of 12100022222120 is 2122222000121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21607182260 + ... + 21607182819.

It is an arithmetic number, because the mean of its divisors is an integer number (972323214300).

Almost surely, 2^{12100022222120} is an apocalyptic number.

12100022222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100022222120 is an abundant number, since it is smaller than the sum of its proper divisors (19014320635480).

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

12100022222120 is a wasteful number, since it uses less digits than its factorization.

12100022222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43214365097 (or 43214365093 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12100022222120 its reverse (2122222000121), we get a palindrome (14222244222241).

The spelling of 12100022222120 in words is "twelve trillion, one hundred billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty".