212310302320 has 20 divisors (see below), whose sum is σ = 493621453080. Its totient is φ = 84924120896.

The previous prime is 212310302311. The next prime is 212310302357. The reversal of 212310302320 is 23203013212.

212310302320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326939310 + ... + 1326939469.

It is an arithmetic number, because the mean of its divisors is an integer number (24681072654).

Almost surely, 2^212310302320 is an apocalyptic number.

212310302320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212310302320 is an abundant number, since it is smaller than the sum of its proper divisors (281311150760).

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

212310302320 is a wasteful number, since it uses less digits than its factorization.

212310302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653878792 (or 2653878786 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212310302320 its reverse (23203013212), we get a palindrome (235513315532).

The spelling of 212310302320 in words is "two hundred twelve billion, three hundred ten million, three hundred two thousand, three hundred twenty".