212302311320 has 64 divisors (see below), whose sum is σ = 528244187040. Its totient is φ = 76143283200.

The previous prime is 212302311307. The next prime is 212302311337. The reversal of 212302311320 is 23113203212.

212302311320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 212302311292 and 212302311301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3272711 + ... + 3336950.

Almost surely, 2^212302311320 is an apocalyptic number.

212302311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212302311320 is an abundant number, since it is smaller than the sum of its proper divisors (315941875720).

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

212302311320 is a wasteful number, since it uses less digits than its factorization.

212302311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609756 (or 6609752 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212302311320 its reverse (23113203212), we get a palindrome (235415514532).

The spelling of 212302311320 in words is "two hundred twelve billion, three hundred two million, three hundred eleven thousand, three hundred twenty".