312030122200 has 48 divisors (see below), whose sum is σ = 725857002000. Its totient is φ = 124745473920.

The previous prime is 312030122191. The next prime is 312030122213. The reversal of 312030122200 is 2221030213.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 39355 + ... + 790954.

It is an arithmetic number, because the mean of its divisors is an integer number (15122020875).

Almost surely, 2^312030122200 is an apocalyptic number.

It is an amenable number.

312030122200 is an abundant number, since it is smaller than the sum of its proper divisors (413826879800).

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

312030122200 is a wasteful number, since it uses less digits than its factorization.

312030122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832204 (or 832195 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 312030122200 its reverse (2221030213), we get a palindrome (314251152413).

The spelling of 312030122200 in words is "three hundred twelve billion, thirty million, one hundred twenty-two thousand, two hundred".