212110303320 has 160 divisors (see below), whose sum is σ = 713857011120. Its totient is φ = 56488907520.

The previous prime is 212110303283. The next prime is 212110303387. The reversal of 212110303320 is 23303011212.

212110303320 is a `hidden beast` number, since 21 + 21 + 1 + 0 + 303 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212110303293 and 212110303302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2462175 + ... + 2546865.

Almost surely, 2^212110303320 is an apocalyptic number.

212110303320 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 212110303320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356928505560).

212110303320 is an abundant number, since it is smaller than the sum of its proper divisors (501746707800).

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

212110303320 is a wasteful number, since it uses less digits than its factorization.

212110303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85487 (or 85474 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212110303320 its reverse (23303011212), we get a palindrome (235413314532).

The spelling of 212110303320 in words is "two hundred twelve billion, one hundred ten million, three hundred three thousand, three hundred twenty".