212206310264 has 32 divisors (see below), whose sum is σ = 428699265120. Its totient is φ = 97894344576.

The previous prime is 212206310263. The next prime is 212206310293. The reversal of 212206310264 is 462013602212.

It is a super-2 number, since 2×212206310264² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212206310263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271799 + ... + 705894.

It is an arithmetic number, because the mean of its divisors is an integer number (13396852035).

Almost surely, 2^212206310264 is an apocalyptic number.

It is an amenable number.

212206310264 is an abundant number, since it is smaller than the sum of its proper divisors (216492954856).

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

212206310264 is a wasteful number, since it uses less digits than its factorization.

212206310264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979799 (or 979795 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 212206310264 its reverse (462013602212), we get a palindrome (674219912476).

The spelling of 212206310264 in words is "two hundred twelve billion, two hundred six million, three hundred ten thousand, two hundred sixty-four".