212345543211 has 8 divisors (see below), whose sum is σ = 283129534464. Its totient is φ = 141562623720.

The previous prime is 212345543203. The next prime is 212345543213. The reversal of 212345543211 is 112345543212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212345543211 - 2³ = 212345543203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212345543213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558646 + ... + 858356.

It is an arithmetic number, because the mean of its divisors is an integer number (35391191808).

Almost surely, 2^212345543211 is an apocalyptic number.

212345543211 is a deficient number, since it is larger than the sum of its proper divisors (70783991253).

212345543211 is a wasteful number, since it uses less digits than its factorization.

212345543211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535881.

The product of its digits is 28800, while the sum is 33.

Subtracting from 212345543211 its reverse (112345543212), we obtain a palindrome (99999999999).

The spelling of 212345543211 in words is "two hundred twelve billion, three hundred forty-five million, five hundred forty-three thousand, two hundred eleven".