3120020121200 has 30 divisors (see below), whose sum is σ = 7495848342144. Its totient is φ = 1248008048320.

The previous prime is 3120020121149. The next prime is 3120020121223. The reversal of 3120020121200 is 21210200213.

It is a happy number.

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, 3900024752 + ... + 3900025551.

Almost surely, 2^{3120020121200} is an apocalyptic number.

It is an amenable number.

3120020121200 is an abundant number, since it is smaller than the sum of its proper divisors (4375828220944).

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

3120020121200 is a wasteful number, since it uses less digits than its factorization.

3120020121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800050321 (or 7800050310 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 3120020121200 its reverse (21210200213), we get a palindrome (3141230321413).

The spelling of 3120020121200 in words is "three trillion, one hundred twenty billion, twenty million, one hundred twenty-one thousand, two hundred".