212001313211 has 4 divisors (see below), whose sum is σ = 224471978712. Its totient is φ = 199530647712.

The previous prime is 212001313201. The next prime is 212001313213. The reversal of 212001313211 is 112313100212.

212001313211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212001313211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 12470665483 = 212001313211 / (2 + 1 + 2 + 0 + 0 + 1 + 3 + 1 + 3 + 2 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212001313211.

It is not an unprimeable number, because it can be changed into a prime (212001313213) 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 3 ways as a sum of consecutive naturals, for example, 6235332725 + ... + 6235332758.

It is an arithmetic number, because the mean of its divisors is an integer number (56117994678).

Almost surely, 2^212001313211 is an apocalyptic number.

212001313211 is a deficient number, since it is larger than the sum of its proper divisors (12470665501).

212001313211 is a wasteful number, since it uses less digits than its factorization.

212001313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12470665500.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212001313211 its reverse (112313100212), we get a palindrome (324314413423).

The spelling of 212001313211 in words is "two hundred twelve billion, one million, three hundred thirteen thousand, two hundred eleven".