211210022120012 has 24 divisors (see below), whose sum is σ = 392251226986080. Its totient is φ = 99166543937280.

The previous prime is 211210022120011. The next prime is 211210022120059. The reversal of 211210022120012 is 210021220012112.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (211210022120011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3537589439 + ... + 3537649142.

It is an arithmetic number, because the mean of its divisors is an integer number (16343801124420).

Almost surely, 2^{211210022120012} is an apocalyptic number.

It is an amenable number.

211210022120012 is a deficient number, since it is larger than the sum of its proper divisors (181041204866068).

211210022120012 is a wasteful number, since it uses less digits than its factorization.

211210022120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075239041 (or 7075239039 counting only the distinct ones).

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

Adding to 211210022120012 its reverse (210021220012112), we get a palindrome (421231242132124).

The spelling of 211210022120012 in words is "two hundred eleven trillion, two hundred ten billion, twenty-two million, one hundred twenty thousand, twelve".