213312230212 has 6 divisors (see below), whose sum is σ = 373296402878. Its totient is φ = 106656115104.

The previous prime is 213312230167. The next prime is 213312230237. The reversal of 213312230212 is 212032213312.

It can be written as a sum of positive squares in only one way, i.e., 199403330116 + 13908900096 = 446546^2 + 117936^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26664028773 + ... + 26664028780.

Almost surely, 2^213312230212 is an apocalyptic number.

It is an amenable number.

213312230212 is a deficient number, since it is larger than the sum of its proper divisors (159984172666).

213312230212 is a wasteful number, since it uses less digits than its factorization.

213312230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53328057557 (or 53328057555 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213312230212 its reverse (212032213312), we get a palindrome (425344443524).

The spelling of 213312230212 in words is "two hundred thirteen billion, three hundred twelve million, two hundred thirty thousand, two hundred twelve".