213340324212 has 72 divisors (see below), whose sum is σ = 571152588552. Its totient is φ = 66912307200.

The previous prime is 213340324199. The next prime is 213340324231. The reversal of 213340324212 is 212423043312.

213340324212 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 403 + 242 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22331118096 + 191009206116 = 149436^2 + 437046^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2330262 + ... + 2420082.

It is an arithmetic number, because the mean of its divisors is an integer number (7932674841).

Almost surely, 2^213340324212 is an apocalyptic number.

It is an amenable number.

213340324212 is an abundant number, since it is smaller than the sum of its proper divisors (357812264340).

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

213340324212 is a wasteful number, since it uses less digits than its factorization.

213340324212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93729 (or 93724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 213340324212 its reverse (212423043312), we get a palindrome (425763367524).

The spelling of 213340324212 in words is "two hundred thirteen billion, three hundred forty million, three hundred twenty-four thousand, two hundred twelve".