213103123323212 has 24 divisors (see below), whose sum is σ = 378187600789152. Its totient is φ = 105049559552000.

The previous prime is 213103123323169. The next prime is 213103123323323. The reversal of 213103123323212 is 212323321301312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19083212 + ... + 28113612.

It is an arithmetic number, because the mean of its divisors is an integer number (15757816699548).

Almost surely, 2^{213103123323212} is an apocalyptic number.

It is an amenable number.

213103123323212 is a deficient number, since it is larger than the sum of its proper divisors (165084477465940).

213103123323212 is a wasteful number, since it uses less digits than its factorization.

213103123323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9113569 (or 9113567 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 213103123323212 its reverse (212323321301312), we get a palindrome (425426444624524).

The spelling of 213103123323212 in words is "two hundred thirteen trillion, one hundred three billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred twelve".