212013302320 has 20 divisors (see below), whose sum is σ = 492930928080. Its totient is φ = 84805320896.

The previous prime is 212013302309. The next prime is 212013302329. The reversal of 212013302320 is 23203310212.

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

It is not an unprimeable number, because it can be changed into a prime (212013302329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325083060 + ... + 1325083219.

It is an arithmetic number, because the mean of its divisors is an integer number (24646546404).

Almost surely, 2^212013302320 is an apocalyptic number.

212013302320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212013302320 is an abundant number, since it is smaller than the sum of its proper divisors (280917625760).

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

212013302320 is a wasteful number, since it uses less digits than its factorization.

212013302320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650166292 (or 2650166286 counting only the distinct ones).

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

Adding to 212013302320 its reverse (23203310212), we get a palindrome (235216612532).

The spelling of 212013302320 in words is "two hundred twelve billion, thirteen million, three hundred two thousand, three hundred twenty".