312203020200 has 48 divisors (see below), whose sum is σ = 967829364480. Its totient is φ = 83254138560.

The previous prime is 312203020183. The next prime is 312203020247. The reversal of 312203020200 is 2020302213.

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 312203020200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260168584 + ... + 260169783.

It is an arithmetic number, because the mean of its divisors is an integer number (20163111760).

Almost surely, 2^312203020200 is an apocalyptic number.

312203020200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312203020200 is an abundant number, since it is smaller than the sum of its proper divisors (655626344280).

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

312203020200 is a wasteful number, since it uses less digits than its factorization.

312203020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520338386 (or 520338377 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 312203020200 its reverse (2020302213), we get a palindrome (314223322413).

The spelling of 312203020200 in words is "three hundred twelve billion, two hundred three million, twenty thousand, two hundred".