212211212012 has 12 divisors (see below), whose sum is σ = 372324301440. Its totient is φ = 105832840176.

The previous prime is 212211211999. The next prime is 212211212077. The reversal of 212211212012 is 210212112212.

212211212012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68189708 + ... + 68192819.

It is an arithmetic number, because the mean of its divisors is an integer number (31027025120).

Almost surely, 2^212211212012 is an apocalyptic number.

It is an amenable number.

212211212012 is a deficient number, since it is larger than the sum of its proper divisors (160113089428).

212211212012 is a wasteful number, since it uses less digits than its factorization.

212211212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136382920 (or 136382918 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212211212012 its reverse (210212112212), we get a palindrome (422423324224).

The spelling of 212211212012 in words is "two hundred twelve billion, two hundred eleven million, two hundred twelve thousand, twelve".