212303123202212 has 12 divisors (see below), whose sum is σ = 424606246404480. Its totient is φ = 90987052800936.

The previous prime is 212303123202199. The next prime is 212303123202221. The reversal of 212303123202212 is 212202321303212.

212303123202212 is an admirable number.

It is a super-2 number, since 2×212303123202212² (a number of 29 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3791127200012 + ... + 3791127200067.

It is an arithmetic number, because the mean of its divisors is an integer number (35383853867040).

Almost surely, 2^{212303123202212} is an apocalyptic number.

It is an amenable number.

212303123202212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212303123202212 is a wasteful number, since it uses less digits than its factorization.

212303123202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582254400090 (or 7582254400088 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 212303123202212 its reverse (212202321303212), we get a palindrome (424505444505424).

The spelling of 212303123202212 in words is "two hundred twelve trillion, three hundred three billion, one hundred twenty-three million, two hundred two thousand, two hundred twelve".