312012110200 has 96 divisors (see below), whose sum is σ = 832121026560. Its totient is φ = 106580707200.

The previous prime is 312012110159. The next prime is 312012110203. The reversal of 312012110200 is 2011210213.

It is a super-2 number, since 2×312012110200² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312012110203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31792 + ... + 790591.

It is an arithmetic number, because the mean of its divisors is an integer number (8667927360).

Almost surely, 2^312012110200 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 312012110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416060513280).

312012110200 is an abundant number, since it is smaller than the sum of its proper divisors (520108916360).

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

312012110200 is a wasteful number, since it uses less digits than its factorization.

312012110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822677 (or 822668 counting only the distinct ones).

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

Adding to 312012110200 its reverse (2011210213), we get a palindrome (314023320413).

The spelling of 312012110200 in words is "three hundred twelve billion, twelve million, one hundred ten thousand, two hundred".