212305315350 has 96 divisors (see below), whose sum is σ = 534785771520. Its totient is φ = 55726957440.

The previous prime is 212305315349. The next prime is 212305315367. The reversal of 212305315350 is 53513503212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14354059 + ... + 14368841.

It is an arithmetic number, because the mean of its divisors is an integer number (5570685120).

Almost surely, 2^212305315350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212305315350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267392885760).

212305315350 is an abundant number, since it is smaller than the sum of its proper divisors (322480456170).

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

212305315350 is a wasteful number, since it uses less digits than its factorization.

212305315350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16294 (or 16289 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 212305315350 its reverse (53513503212), we get a palindrome (265818818562).

The spelling of 212305315350 in words is "two hundred twelve billion, three hundred five million, three hundred fifteen thousand, three hundred fifty".