12021101122120 has 64 divisors (see below), whose sum is σ = 27422499222720. Its totient is φ = 4741977963264.

The previous prime is 12021101122097. The next prime is 12021101122169. The reversal of 12021101122120 is 2122110112021.

12021101122120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12021101122094 and 12021101122103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401042 + ... + 5099521.

It is an arithmetic number, because the mean of its divisors is an integer number (428476550355).

Almost surely, 2^{12021101122120} is an apocalyptic number.

12021101122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021101122120 is an abundant number, since it is smaller than the sum of its proper divisors (15401398100600).

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

12021101122120 is a wasteful number, since it uses less digits than its factorization.

12021101122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501214 (or 6501210 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021101122120 its reverse (2122110112021), we get a palindrome (14143211234141).

The spelling of 12021101122120 in words is "twelve trillion, twenty-one billion, one hundred one million, one hundred twenty-two thousand, one hundred twenty".