213313320212 has 6 divisors (see below), whose sum is σ = 373298310378. Its totient is φ = 106656660104.

The previous prime is 213313320203. The next prime is 213313320229. The reversal of 213313320212 is 212023313312.

It can be written as a sum of positive squares in only one way, i.e., 208706440336 + 4606879876 = 456844^2 + 67874^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26664165023 + ... + 26664165030.

It is an arithmetic number, because the mean of its divisors is an integer number (62216385063).

Almost surely, 2^213313320212 is an apocalyptic number.

It is an amenable number.

213313320212 is a deficient number, since it is larger than the sum of its proper divisors (159984990166).

213313320212 is a wasteful number, since it uses less digits than its factorization.

213313320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53328330057 (or 53328330055 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213313320212 its reverse (212023313312), we get a palindrome (425336633524).

The spelling of 213313320212 in words is "two hundred thirteen billion, three hundred thirteen million, three hundred twenty thousand, two hundred twelve".