3121002022120 has 64 divisors (see below), whose sum is σ = 7092297325440. Its totient is φ = 1235950560000.

The previous prime is 3121002022087. The next prime is 3121002022123. The reversal of 3121002022120 is 212202001213.

It is a happy number.

3121002022120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3121002022094 and 3121002022103.

It is not an unprimeable number, because it can be changed into a prime (3121002022123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97360095 + ... + 97392145.

It is an arithmetic number, because the mean of its divisors is an integer number (110817145710).

Almost surely, 2^{3121002022120} is an apocalyptic number.

It is an amenable number.

3121002022120 is an abundant number, since it is smaller than the sum of its proper divisors (3971295303320).

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

3121002022120 is a wasteful number, since it uses less digits than its factorization.

3121002022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56266 (or 56262 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 3121002022120 its reverse (212202001213), we get a palindrome (3333204023333).

The spelling of 3121002022120 in words is "three trillion, one hundred twenty-one billion, two million, twenty-two thousand, one hundred twenty".