211013101212 has 24 divisors (see below), whose sum is σ = 497439822096. Its totient is φ = 69612569088.

The previous prime is 211013101207. The next prime is 211013101213. The reversal of 211013101212 is 212101310112.

It is a super-4 number, since 4×211013101212⁴ (a number of 46 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211013101191 and 211013101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211013101213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90640203 + ... + 90642530.

It is an arithmetic number, because the mean of its divisors is an integer number (20726659254).

Almost surely, 2^211013101212 is an apocalyptic number.

It is an amenable number.

211013101212 is an abundant number, since it is smaller than the sum of its proper divisors (286426720884).

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

211013101212 is a wasteful number, since it uses less digits than its factorization.

211013101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181282837 (or 181282835 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 211013101212 its reverse (212101310112), we get a palindrome (423114411324).

The spelling of 211013101212 in words is "two hundred eleven billion, thirteen million, one hundred one thousand, two hundred twelve".