212021033212212 has 96 divisors (see below), whose sum is σ = 570214642609920. Its totient is φ = 60062645422080.

The previous prime is 212021033212199. The next prime is 212021033212217. The reversal of 212021033212212 is 212212330120212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021033212217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18231543 + ... + 27503294.

It is an arithmetic number, because the mean of its divisors is an integer number (5939735860520).

Almost surely, 2^{212021033212212} is an apocalyptic number.

It is an amenable number.

212021033212212 is an abundant number, since it is smaller than the sum of its proper divisors (358193609397708).

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

212021033212212 is a wasteful number, since it uses less digits than its factorization.

212021033212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45735321 (or 45735319 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 212021033212212 its reverse (212212330120212), we get a palindrome (424233363332424).

The spelling of 212021033212212 in words is "two hundred twelve trillion, twenty-one billion, thirty-three million, two hundred twelve thousand, two hundred twelve".