3112012200 has 192 divisors, whose sum is σ = 10634944320. Its totient is φ = 746496000.

The previous prime is 3112012193. The next prime is 3112012201. The reversal of 3112012200 is 22102113.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (3112012201) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 637770 + ... + 642630.

It is an arithmetic number, because the mean of its divisors is an integer number (55390335).

Almost surely, 2^3112012200 is an apocalyptic number.

3112012200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3112012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5317472160).

3112012200 is an abundant number, since it is smaller than the sum of its proper divisors (7522932120).

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

3112012200 is a wasteful number, since it uses less digits than its factorization.

3112012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988 (or 4979 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3112012200 is about 55785.4120716160. The cubic root of 3112012200 is about 1459.9806402637.

Adding to 3112012200 its reverse (22102113), we get a palindrome (3134114313).

The spelling of 3112012200 in words is "three billion, one hundred twelve million, twelve thousand, two hundred".