211021212200012 has 24 divisors (see below), whose sum is σ = 385399281337056. Its totient is φ = 100908469870208.

The previous prime is 211021212200011. The next prime is 211021212200119. The reversal of 211021212200012 is 210002212120112.

It is not an unprimeable number, because it can be changed into a prime (211021212200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166622243 + ... + 167883930.

It is an arithmetic number, because the mean of its divisors is an integer number (16058303389044).

Almost surely, 2^{211021212200012} is an apocalyptic number.

It is an amenable number.

211021212200012 is a deficient number, since it is larger than the sum of its proper divisors (174378069137044).

211021212200012 is a wasteful number, since it uses less digits than its factorization.

211021212200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334513057 (or 334513055 counting only the distinct ones).

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

Adding to 211021212200012 its reverse (210002212120112), we get a palindrome (421023424320124).

The spelling of 211021212200012 in words is "two hundred eleven trillion, twenty-one billion, two hundred twelve million, two hundred thousand, twelve".