213322302212 has 6 divisors (see below), whose sum is σ = 373314028878. Its totient is φ = 106661151104.

The previous prime is 213322302187. The next prime is 213322302269. The reversal of 213322302212 is 212203223312.

It can be written as a sum of positive squares in only one way, i.e., 125780878336 + 87541423876 = 354656^2 + 295874^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26665287773 + ... + 26665287780.

It is an arithmetic number, because the mean of its divisors is an integer number (62219004813).

Almost surely, 2^213322302212 is an apocalyptic number.

It is an amenable number.

213322302212 is a deficient number, since it is larger than the sum of its proper divisors (159991726666).

213322302212 is a wasteful number, since it uses less digits than its factorization.

213322302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53330575557 (or 53330575555 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213322302212 its reverse (212203223312), we get a palindrome (425525525524).

The spelling of 213322302212 in words is "two hundred thirteen billion, three hundred twenty-two million, three hundred two thousand, two hundred twelve".