212303223321012 has 72 divisors (see below), whose sum is σ = 568225407387456. Its totient is φ = 66604689656064.

The previous prime is 212303223320827. The next prime is 212303223321031. The reversal of 212303223321012 is 210123322303212.

212303223321012 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 0 + 322 + 3 + 321 + 0 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 244809633 + ... + 245675319.

It is an arithmetic number, because the mean of its divisors is an integer number (7892019547048).

Almost surely, 2^{212303223321012} is an apocalyptic number.

It is an amenable number.

212303223321012 is an abundant number, since it is smaller than the sum of its proper divisors (355922184066444).

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

212303223321012 is a wasteful number, since it uses less digits than its factorization.

212303223321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266437 (or 1266432 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 212303223321012 its reverse (210123322303212), we get a palindrome (422426545624224).

The spelling of 212303223321012 in words is "two hundred twelve trillion, three hundred three billion, two hundred twenty-three million, three hundred twenty-one thousand, twelve".