212013213311 has 16 divisors (see below), whose sum is σ = 221008335840. Its totient is φ = 203131514880.

The previous prime is 212013213283. The next prime is 212013213329. The reversal of 212013213311 is 113312310212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212013213311 - 2¹⁰ = 212013212287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013213341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12454796 + ... + 12471806.

It is an arithmetic number, because the mean of its divisors is an integer number (13813020990).

Almost surely, 2^212013213311 is an apocalyptic number.

212013213311 is a deficient number, since it is larger than the sum of its proper divisors (8995122529).

212013213311 is a wasteful number, since it uses less digits than its factorization.

212013213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20314.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212013213311 its reverse (113312310212), we get a palindrome (325325523523).

The spelling of 212013213311 in words is "two hundred twelve billion, thirteen million, two hundred thirteen thousand, three hundred eleven".