120500031205 has 16 divisors (see below), whose sum is σ = 145353139200. Its totient is φ = 95898135168.

The previous prime is 120500031203. The next prime is 120500031217. The reversal of 120500031205 is 502130005021.

It is a cyclic number.

It is not a de Polignac number, because 120500031205 - 2¹ = 120500031203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120500031203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10255564 + ... + 10267306.

It is an arithmetic number, because the mean of its divisors is an integer number (9084571200).

Almost surely, 2^120500031205 is an apocalyptic number.

It is an amenable number.

120500031205 is a deficient number, since it is larger than the sum of its proper divisors (24853107995).

120500031205 is a wasteful number, since it uses less digits than its factorization.

120500031205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22260.

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 120500031205 its reverse (502130005021), we get a palindrome (622630036226).

The spelling of 120500031205 in words is "one hundred twenty billion, five hundred million, thirty-one thousand, two hundred five".