4120334130521 has 16 divisors (see below), whose sum is σ = 4989299281920. Its totient is φ = 3321734538240.

The previous prime is 4120334130499. The next prime is 4120334130557. The reversal of 4120334130521 is 1250314330214.

It is a cyclic number.

It is not a de Polignac number, because 4120334130521 - 2³⁰ = 4119260388697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4120334130421) 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, 11449625 + ... + 11804006.

It is an arithmetic number, because the mean of its divisors is an integer number (311831205120).

Almost surely, 2^{4120334130521} is an apocalyptic number.

It is an amenable number.

4120334130521 is a deficient number, since it is larger than the sum of its proper divisors (868965151399).

4120334130521 is a wasteful number, since it uses less digits than its factorization.

4120334130521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23255144.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 4120334130521 its reverse (1250314330214), we get a palindrome (5370648460735).

The spelling of 4120334130521 in words is "four trillion, one hundred twenty billion, three hundred thirty-four million, one hundred thirty thousand, five hundred twenty-one".