12120002121200 has 30 divisors (see below), whose sum is σ = 29118305097144. Its totient is φ = 4848000848320.

The previous prime is 12120002121163. The next prime is 12120002121211. The reversal of 12120002121200 is 212120002121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15150002252 + ... + 15150003051.

Almost surely, 2^{12120002121200} is an apocalyptic number.

12120002121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120002121200 is an abundant number, since it is smaller than the sum of its proper divisors (16998302975944).

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

12120002121200 is a wasteful number, since it uses less digits than its factorization.

12120002121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30300005321 (or 30300005310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12120002121200 its reverse (212120002121), we get a palindrome (12332122123321).

The spelling of 12120002121200 in words is "twelve trillion, one hundred twenty billion, two million, one hundred twenty-one thousand, two hundred".