3120012320121 has 12 divisors (see below), whose sum is σ = 4506728664880. Its totient is φ = 2079987812280.

The previous prime is 3120012320093. The next prime is 3120012320207. The reversal of 3120012320121 is 1210232100213.

3120012320121 is a `hidden beast` number, since 312 + 0 + 0 + 1 + 232 + 0 + 121 = 666.

It is not a de Polignac number, because 3120012320121 - 2⁶ = 3120012320057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3120012320094 and 3120012320103.

It is not an unprimeable number, because it can be changed into a prime (3120012320521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 700591 + ... + 2594388.

Almost surely, 2^{3120012320121} is an apocalyptic number.

It is an amenable number.

3120012320121 is a deficient number, since it is larger than the sum of its proper divisors (1386716344759).

3120012320121 is a wasteful number, since it uses less digits than its factorization.

3120012320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400196 (or 3400193 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3120012320121 its reverse (1210232100213), we get a palindrome (4330244420334).

The spelling of 3120012320121 in words is "three trillion, one hundred twenty billion, twelve million, three hundred twenty thousand, one hundred twenty-one".