212012212012 has 24 divisors (see below), whose sum is σ = 374739764112. Its totient is φ = 104943960000.

The previous prime is 212012211997. The next prime is 212012212033. The reversal of 212012212012 is 210212210212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3973503 + ... + 4026505.

It is an arithmetic number, because the mean of its divisors is an integer number (15614156838).

Almost surely, 2^212012212012 is an apocalyptic number.

It is an amenable number.

212012212012 is a deficient number, since it is larger than the sum of its proper divisors (162727552100).

212012212012 is a wasteful number, since it uses less digits than its factorization.

212012212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63009 (or 63007 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212012212012 its reverse (210212210212), we get a palindrome (422224422224).

The spelling of 212012212012 in words is "two hundred twelve billion, twelve million, two hundred twelve thousand, twelve".