312300133320 has 128 divisors (see below), whose sum is σ = 1074527677440. Its totient is φ = 71130597120.

The previous prime is 312300133297. The next prime is 312300133331. The reversal of 312300133320 is 23331003213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 419146 + ... + 894585.

It is an arithmetic number, because the mean of its divisors is an integer number (8394747480).

Almost surely, 2^312300133320 is an apocalyptic number.

312300133320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312300133320 is an abundant number, since it is smaller than the sum of its proper divisors (762227544120).

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

312300133320 is a wasteful number, since it uses less digits than its factorization.

312300133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314035 (or 1314031 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 312300133320 its reverse (23331003213), we get a palindrome (335631136533).

The spelling of 312300133320 in words is "three hundred twelve billion, three hundred million, one hundred thirty-three thousand, three hundred twenty".