12002122212120 has 96 divisors (see below), whose sum is σ = 39009446002800. Its totient is φ = 3200356790016.

The previous prime is 12002122212103. The next prime is 12002122212151. The reversal of 12002122212120 is 2121222120021.

It is a happy number.

12002122212120 is a `hidden beast` number, since 1 + 20 + 0 + 212 + 221 + 212 + 0 = 666.

12002122212120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12002122212093 and 12002122212102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4467151 + ... + 6630209.

Almost surely, 2^{12002122212120} is an apocalyptic number.

12002122212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002122212120 is an abundant number, since it is smaller than the sum of its proper divisors (27007323790680).

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

12002122212120 is a wasteful number, since it uses less digits than its factorization.

12002122212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178489 (or 2178482 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12002122212120 its reverse (2121222120021), we get a palindrome (14123344332141).

The spelling of 12002122212120 in words is "twelve trillion, two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty".