12122101222120 has 64 divisors (see below), whose sum is σ = 28714993776000. Its totient is φ = 4592877712128.

The previous prime is 12122101222103. The next prime is 12122101222219. The reversal of 12122101222120 is 2122210122121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3282741 + ... + 5917819.

It is an arithmetic number, because the mean of its divisors is an integer number (448671777750).

Almost surely, 2^{12122101222120} is an apocalyptic number.

12122101222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122101222120 is an abundant number, since it is smaller than the sum of its proper divisors (16592892553880).

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

12122101222120 is a wasteful number, since it uses less digits than its factorization.

12122101222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641162 (or 2641158 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12122101222120 its reverse (2122210122121), we get a palindrome (14244311344241).

The spelling of 12122101222120 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty".