212132212012 has 12 divisors (see below), whose sum is σ = 424264424080. Its totient is φ = 90913805136.

The previous prime is 212132212007. The next prime is 212132212063. The reversal of 212132212012 is 210212231212.

212132212012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788075187 + ... + 3788075242.

Almost surely, 2^212132212012 is an apocalyptic number.

It is an amenable number.

212132212012 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.

212132212012 is a wasteful number, since it uses less digits than its factorization.

212132212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576150440 (or 7576150438 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212132212012 its reverse (210212231212), we get a palindrome (422344443224).

The spelling of 212132212012 in words is "two hundred twelve billion, one hundred thirty-two million, two hundred twelve thousand, twelve".