120252505305 has 16 divisors (see below), whose sum is σ = 194565853440. Its totient is φ = 63414054528.

The previous prime is 120252505297. The next prime is 120252505327. The reversal of 120252505305 is 503505252021.

It is not a de Polignac number, because 120252505305 - 2³ = 120252505297 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45037057 + ... + 45039726.

It is an arithmetic number, because the mean of its divisors is an integer number (12160365840).

Almost surely, 2^120252505305 is an apocalyptic number.

120252505305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120252505305 is a deficient number, since it is larger than the sum of its proper divisors (74313348135).

120252505305 is an equidigital number, since it uses as much as digits as its factorization.

120252505305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90076880.

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 120252505305 its reverse (503505252021), we get a palindrome (623757757326).

The spelling of 120252505305 in words is "one hundred twenty billion, two hundred fifty-two million, five hundred five thousand, three hundred five".