212120210201112 has 24 divisors (see below), whose sum is σ = 574492235961540. Its totient is φ = 70706736733680.

The previous prime is 212120210201111. The next prime is 212120210201147. The reversal of 212120210201112 is 211102012021212.

212120210201112 is a `hidden beast` number, since 2 + 121 + 20 + 210 + 201 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120210201111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1473057015214 + ... + 1473057015357.

Almost surely, 2^{212120210201112} is an apocalyptic number.

It is an amenable number.

212120210201112 is an abundant number, since it is smaller than the sum of its proper divisors (362372025760428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212120210201112 is a wasteful number, since it uses less digits than its factorization.

212120210201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946114030583 (or 2946114030576 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212120210201112 its reverse (211102012021212), we get a palindrome (423222222222324).

The spelling of 212120210201112 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred ten million, two hundred one thousand, one hundred twelve".