312111020200 has 192 divisors, whose sum is σ = 876468902400. Its totient is φ = 100971360000.

The previous prime is 312111020191. The next prime is 312111020227. The reversal of 312111020200 is 2020111213.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6653227 + ... + 6699973.

It is an arithmetic number, because the mean of its divisors is an integer number (4564942200).

Almost surely, 2^312111020200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312111020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438234451200).

312111020200 is an abundant number, since it is smaller than the sum of its proper divisors (564357882200).

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

312111020200 is a wasteful number, since it uses less digits than its factorization.

312111020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47040 (or 47031 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 312111020200 its reverse (2020111213), we get a palindrome (314131131413).

The spelling of 312111020200 in words is "three hundred twelve billion, one hundred eleven million, twenty thousand, two hundred".