312130300200 has 96 divisors (see below), whose sum is σ = 1000969639200. Its totient is φ = 80364578560.

The previous prime is 312130300193. The next prime is 312130300247. The reversal of 312130300200 is 2003031213.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 312130300200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8951862 + ... + 8986661.

It is an arithmetic number, because the mean of its divisors is an integer number (10426767075).

Almost surely, 2^312130300200 is an apocalyptic number.

312130300200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312130300200 is an abundant number, since it is smaller than the sum of its proper divisors (688839339000).

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

312130300200 is a wasteful number, since it uses less digits than its factorization.

312130300200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17938571 (or 17938562 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 312130300200 its reverse (2003031213), we get a palindrome (314133331413).

The spelling of 312130300200 in words is "three hundred twelve billion, one hundred thirty million, three hundred thousand, two hundred".