12120002212120 has 64 divisors (see below), whose sum is σ = 29752266932640. Its totient is φ = 4406803814400.

The previous prime is 12120002212117. The next prime is 12120002212169. The reversal of 12120002212120 is 2121220002121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12120002212094 and 12120002212103.

It is a congruent number.

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, 2678560 + ... + 5604880.

Almost surely, 2^{12120002212120} is an apocalyptic number.

12120002212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120002212120 is an abundant number, since it is smaller than the sum of its proper divisors (17632264720520).

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

12120002212120 is a wasteful number, since it uses less digits than its factorization.

12120002212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935756 (or 2935752 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12120002212120 its reverse (2121220002121), we get a palindrome (14241222214241).

The spelling of 12120002212120 in words is "twelve trillion, one hundred twenty billion, two million, two hundred twelve thousand, one hundred twenty".