213123320222210 has 32 divisors (see below), whose sum is σ = 383698593248832. Its totient is φ = 85232303490240.

The previous prime is 213123320222129. The next prime is 213123320222231. The reversal of 213123320222210 is 12222023321312.

It is a self number, because there is not a number n which added to its sum of digits gives 213123320222210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1500089597 + ... + 1500231663.

It is an arithmetic number, because the mean of its divisors is an integer number (11990581039026).

Almost surely, 2^{213123320222210} is an apocalyptic number.

213123320222210 is a deficient number, since it is larger than the sum of its proper divisors (170575273026622).

213123320222210 is a wasteful number, since it uses less digits than its factorization.

213123320222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170978.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213123320222210 its reverse (12222023321312), we get a palindrome (225345343543522).

The spelling of 213123320222210 in words is "two hundred thirteen trillion, one hundred twenty-three billion, three hundred twenty million, two hundred twenty-two thousand, two hundred ten".