211232320120 has 64 divisors (see below), whose sum is σ = 484639293600. Its totient is φ = 82836794880.

The previous prime is 211232320109. The next prime is 211232320153. The reversal of 211232320120 is 21023232112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608086 + ... + 890074.

Almost surely, 2^211232320120 is an apocalyptic number.

211232320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211232320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242319646800).

211232320120 is an abundant number, since it is smaller than the sum of its proper divisors (273406973480).

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

211232320120 is a wasteful number, since it uses less digits than its factorization.

211232320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282368 (or 282364 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211232320120 its reverse (21023232112), we get a palindrome (232255552232).

The spelling of 211232320120 in words is "two hundred eleven billion, two hundred thirty-two million, three hundred twenty thousand, one hundred twenty".