3122120013121 has 8 divisors (see below), whose sum is σ = 3127640113800. Its totient is φ = 3116604718080.

The previous prime is 3122120013053. The next prime is 3122120013127. The reversal of 3122120013121 is 1213100212213.

It can be written as a sum of positive squares in 4 ways, for example, as 538902810000 + 2583217203121 = 734100^2 + 1607239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3122120013121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122120013127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100341 + ... + 2500861.

It is an arithmetic number, because the mean of its divisors is an integer number (390955014225).

Almost surely, 2^{3122120013121} is an apocalyptic number.

It is an amenable number.

3122120013121 is a deficient number, since it is larger than the sum of its proper divisors (5520100679).

3122120013121 is a wasteful number, since it uses less digits than its factorization.

3122120013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402819.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3122120013121 its reverse (1213100212213), we get a palindrome (4335220225334).

The spelling of 3122120013121 in words is "three trillion, one hundred twenty-two billion, one hundred twenty million, thirteen thousand, one hundred twenty-one".