2100200312 has 16 divisors (see below), whose sum is σ = 4500429360. Its totient is φ = 900085824.

The previous prime is 2100200303. The next prime is 2100200351. The reversal of 2100200312 is 2130020012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100200293 and 2100200302.

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 3 ways as a sum of consecutive naturals, for example, 18751733 + ... + 18751844.

It is an arithmetic number, because the mean of its divisors is an integer number (281276835).

Almost surely, 2^2100200312 is an apocalyptic number.

It is an amenable number.

2100200312 is an abundant number, since it is smaller than the sum of its proper divisors (2400229048).

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

2100200312 is a wasteful number, since it uses less digits than its factorization.

2100200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37503590 (or 37503586 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2100200312 is about 45827.9424805435. The cubic root of 2100200312 is about 1280.6198804189.

Adding to 2100200312 its reverse (2130020012), we get a palindrome (4230220324).

The spelling of 2100200312 in words is "two billion, one hundred million, two hundred thousand, three hundred twelve".