210112311203212 has 48 divisors (see below), whose sum is σ = 426297884856480. Its totient is φ = 89553464960000.

The previous prime is 210112311203173. The next prime is 210112311203213. The reversal of 210112311203212 is 212302113211012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (210112311203213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521915539 + ... + 522317962.

It is an arithmetic number, because the mean of its divisors is an integer number (8881205934510).

Almost surely, 2^{210112311203212} is an apocalyptic number.

210112311203212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210112311203212 is an abundant number, since it is smaller than the sum of its proper divisors (216185573653268).

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

210112311203212 is a wasteful number, since it uses less digits than its factorization.

210112311203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044233802 (or 1044233800 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 210112311203212 its reverse (212302113211012), we get a palindrome (422414424414224).

The spelling of 210112311203212 in words is "two hundred ten trillion, one hundred twelve billion, three hundred eleven million, two hundred three thousand, two hundred twelve".