312300120321 has 40 divisors (see below), whose sum is σ = 564531327360. Its totient is φ = 167959723392.

The previous prime is 312300120311. The next prime is 312300120359. The reversal of 312300120321 is 123021003213.

312300120321 is a `hidden beast` number, since 31 + 2 + 300 + 12 + 0 + 321 = 666.

It is not a de Polignac number, because 312300120321 - 2⁶ = 312300120257 is a prime.

It is a super-2 number, since 2×312300120321² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312300120294 and 312300120303.

It is not an unprimeable number, because it can be changed into a prime (312300120311) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16190181 + ... + 16209458.

It is an arithmetic number, because the mean of its divisors is an integer number (14113283184).

Almost surely, 2^312300120321 is an apocalyptic number.

It is an amenable number.

312300120321 is a deficient number, since it is larger than the sum of its proper divisors (252231207039).

312300120321 is a wasteful number, since it uses less digits than its factorization.

312300120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32399675 (or 32399666 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 312300120321 its reverse (123021003213), we get a palindrome (435321123534).

The spelling of 312300120321 in words is "three hundred twelve billion, three hundred million, one hundred twenty thousand, three hundred twenty-one".