213323022121312 has 48 divisors (see below), whose sum is σ = 425779119395280. Its totient is φ = 105188960212992.

The previous prime is 213323022121217. The next prime is 213323022121367. The reversal of 213323022121312 is 213121220323312.

It is a congruent number.

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, 16554043 + ... + 26470405.

It is an arithmetic number, because the mean of its divisors is an integer number (8870398320735).

Almost surely, 2^{213323022121312} is an apocalyptic number.

It is an amenable number.

213323022121312 is a deficient number, since it is larger than the sum of its proper divisors (212456097273968).

213323022121312 is an equidigital number, since it uses as much as digits as its factorization.

213323022121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9925655 (or 9925647 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 213323022121312 its reverse (213121220323312), we get a palindrome (426444242444624).

The spelling of 213323022121312 in words is "two hundred thirteen trillion, three hundred twenty-three billion, twenty-two million, one hundred twenty-one thousand, three hundred twelve".