12021223222120 has 32 divisors (see below), whose sum is σ = 30911716857600. Its totient is φ = 4121562247488.

The previous prime is 12021223222093. The next prime is 12021223222163. The reversal of 12021223222120 is 2122232212021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12021223222091 and 12021223222100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21466469760 + ... + 21466470319.

It is an arithmetic number, because the mean of its divisors is an integer number (965991151800).

Almost surely, 2^{12021223222120} is an apocalyptic number.

12021223222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021223222120 is an abundant number, since it is smaller than the sum of its proper divisors (18890493635480).

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

12021223222120 is a wasteful number, since it uses less digits than its factorization.

12021223222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42932940097 (or 42932940093 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12021223222120 its reverse (2122232212021), we get a palindrome (14143455434141).

The spelling of 12021223222120 in words is "twelve trillion, twenty-one billion, two hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty".