120220310312 has 16 divisors (see below), whose sum is σ = 231505327860. Its totient is φ = 58485556224.

The previous prime is 120220310311. The next prime is 120220310323. The reversal of 120220310312 is 213013022021.

It can be written as a sum of positive squares in 2 ways, for example, as 119623289956 + 597020356 = 345866^2 + 24434^2 .

It is not an unprimeable number, because it can be changed into a prime (120220310311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203074553 + ... + 203075144.

Almost surely, 2^120220310312 is an apocalyptic number.

It is an amenable number.

120220310312 is a deficient number, since it is larger than the sum of its proper divisors (111285017548).

120220310312 is a wasteful number, since it uses less digits than its factorization.

120220310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406149740 (or 406149736 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120220310312 its reverse (213013022021), we get a palindrome (333233332333).

The spelling of 120220310312 in words is "one hundred twenty billion, two hundred twenty million, three hundred ten thousand, three hundred twelve".