213213323232212 has 12 divisors (see below), whose sum is σ = 373123726102260. Its totient is φ = 106606544345856.

The previous prime is 213213323232209. The next prime is 213213323232229. The reversal of 213213323232212 is 212232323312312.

It can be written as a sum of positive squares in 2 ways, for example, as 108652145765956 + 104561177466256 = 10423634^2 + 10225516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25161287 + ... + 32550222.

It is an arithmetic number, because the mean of its divisors is an integer number (31093643841855).

Almost surely, 2^{213213323232212} is an apocalyptic number.

It is an amenable number.

213213323232212 is a deficient number, since it is larger than the sum of its proper divisors (159910402870048).

213213323232212 is a wasteful number, since it uses less digits than its factorization.

213213323232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58635130 (or 58635128 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

Adding to 213213323232212 its reverse (212232323312312), we get a palindrome (425445646544524).

The spelling of 213213323232212 in words is "two hundred thirteen trillion, two hundred thirteen billion, three hundred twenty-three million, two hundred thirty-two thousand, two hundred twelve".