211201112212012 has 36 divisors (see below), whose sum is σ = 414020543922720. Its totient is φ = 94116145486272.

The previous prime is 211201112211937. The next prime is 211201112212019. The reversal of 211201112212012 is 210212211102112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211201112212019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5386664548 + ... + 5386703755.

It is an arithmetic number, because the mean of its divisors is an integer number (11500570664520).

Almost surely, 2^{211201112212012} is an apocalyptic number.

It is an amenable number.

211201112212012 is a deficient number, since it is larger than the sum of its proper divisors (202819431710708).

211201112212012 is a wasteful number, since it uses less digits than its factorization.

211201112212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10773368362 (or 10773368347 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211201112212012 its reverse (210212211102112), we get a palindrome (421413323314124).

The spelling of 211201112212012 in words is "two hundred eleven trillion, two hundred one billion, one hundred twelve million, two hundred twelve thousand, twelve".