312230213120 has 80 divisors (see below), whose sum is σ = 855566588448. Its totient is φ = 107050352640.

The previous prime is 312230213093. The next prime is 312230213123. The reversal of 312230213120 is 21312032213.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 312230213092 and 312230213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312230213123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8693861 + ... + 8729700.

Almost surely, 2^312230213120 is an apocalyptic number.

It is an amenable number.

312230213120 is an abundant number, since it is smaller than the sum of its proper divisors (543336375328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312230213120 is an equidigital number, since it uses as much as digits as its factorization.

312230213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17423591 (or 17423575 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312230213120 its reverse (21312032213), we get a palindrome (333542245333).

The spelling of 312230213120 in words is "three hundred twelve billion, two hundred thirty million, two hundred thirteen thousand, one hundred twenty".