212013210311 has 16 divisors (see below), whose sum is σ = 242707449600. Its totient is φ = 181420891008.

The previous prime is 212013210307. The next prime is 212013210319. The reversal of 212013210311 is 113012310212.

It is not a de Polignac number, because 212013210311 - 2² = 212013210307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212013210311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013210319) 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, 11067980 + ... + 11087118.

It is an arithmetic number, because the mean of its divisors is an integer number (15169215600).

Almost surely, 2^212013210311 is an apocalyptic number.

212013210311 is a deficient number, since it is larger than the sum of its proper divisors (30694239289).

212013210311 is a wasteful number, since it uses less digits than its factorization.

212013210311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21718.

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

Adding to 212013210311 its reverse (113012310212), we get a palindrome (325025520523).

Subtracting from 212013210311 its reverse (113012310212), we obtain a palindrome (99000900099).

The spelling of 212013210311 in words is "two hundred twelve billion, thirteen million, two hundred ten thousand, three hundred eleven".