120203030030525 has 36 divisors (see below), whose sum is σ = 161532304879068. Its totient is φ = 88692132372480.

The previous prime is 120203030030521. The next prime is 120203030030599. The reversal of 120203030030525 is 525030030302021.

It can be written as a sum of positive squares in 18 ways, for example, as 111962237850841 + 8240792179684 = 10581221^2 + 2870678^2 .

It is not a de Polignac number, because 120203030030525 - 2² = 120203030030521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120203030030494 and 120203030030503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120203030030521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6602372 + ... + 16852221.

It is an arithmetic number, because the mean of its divisors is an integer number (4487008468863).

Almost surely, 2^{120203030030525} is an apocalyptic number.

It is an amenable number.

120203030030525 is a deficient number, since it is larger than the sum of its proper divisors (41329274848543).

120203030030525 is a wasteful number, since it uses less digits than its factorization.

120203030030525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23455842 (or 23455824 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 120203030030525 its reverse (525030030302021), we get a palindrome (645233060332546).

The spelling of 120203030030525 in words is "one hundred twenty trillion, two hundred three billion, thirty million, thirty thousand, five hundred twenty-five".