120505035303121 has 16 divisors (see below), whose sum is σ = 141676898213376. Its totient is φ = 100354469492736.

The previous prime is 120505035303113. The next prime is 120505035303131. The reversal of 120505035303121 is 121303530505021.

It is a cyclic number.

It is not a de Polignac number, because 120505035303121 - 2³ = 120505035303113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120505035303131) 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 15 ways as a sum of consecutive naturals, for example, 1336731216 + ... + 1336821361.

It is an arithmetic number, because the mean of its divisors is an integer number (8854806138336).

Almost surely, 2^{120505035303121} is an apocalyptic number.

It is an amenable number.

120505035303121 is a deficient number, since it is larger than the sum of its proper divisors (21171862910255).

120505035303121 is a wasteful number, since it uses less digits than its factorization.

120505035303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673552768.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 120505035303121 its reverse (121303530505021), we get a palindrome (241808565808142).

The spelling of 120505035303121 in words is "one hundred twenty trillion, five hundred five billion, thirty-five million, three hundred three thousand, one hundred twenty-one".