212660545066212 has 24 divisors (see below), whose sum is σ = 496354269440512. Its totient is φ = 70865943933600.

The previous prime is 212660545066153. The next prime is 212660545066213.

212660545066212 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (212660545066213) 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 7 ways as a sum of consecutive naturals, for example, 2613010339 + ... + 2613091722.

Almost surely, 2^{212660545066212} is an apocalyptic number.

It is an amenable number.

212660545066212 is an abundant number, since it is smaller than the sum of its proper divisors (283693724374300).

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

212660545066212 is a wasteful number, since it uses less digits than its factorization.

212660545066212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5226105459 (or 5226105457 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 212660545066212 in words is "two hundred twelve trillion, six hundred sixty billion, five hundred forty-five million, sixty-six thousand, two hundred twelve".