212132302212 has 12 divisors (see below), whose sum is σ = 494975371856. Its totient is φ = 70710767400.

The previous prime is 212132302183. The next prime is 212132302253. The reversal of 212132302212 is 212203231212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×212132302212² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8838845914 + ... + 8838845937.

Almost surely, 2^212132302212 is an apocalyptic number.

It is an amenable number.

212132302212 is an abundant number, since it is smaller than the sum of its proper divisors (282843069644).

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

212132302212 is a wasteful number, since it uses less digits than its factorization.

212132302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17677691858 (or 17677691856 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212132302212 its reverse (212203231212), we get a palindrome (424335533424).

The spelling of 212132302212 in words is "two hundred twelve billion, one hundred thirty-two million, three hundred two thousand, two hundred twelve".