212311320023200 has 144 divisors (see below), whose sum is σ = 539388250692480. Its totient is φ = 81505099934720.

The previous prime is 212311320023147. The next prime is 212311320023249. The reversal of 212311320023200 is 2320023113212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23524852 + ... + 31273651.

It is an arithmetic number, because the mean of its divisors is an integer number (3745751740920).

Almost surely, 2^{212311320023200} is an apocalyptic number.

212311320023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212311320023200 is an abundant number, since it is smaller than the sum of its proper divisors (327076930669280).

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

212311320023200 is a wasteful number, since it uses less digits than its factorization.

212311320023200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54798719 (or 54798706 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212311320023200 its reverse (2320023113212), we get a palindrome (214631343136412).

The spelling of 212311320023200 in words is "two hundred twelve trillion, three hundred eleven billion, three hundred twenty million, twenty-three thousand, two hundred".