213223323322312 has 8 divisors (see below), whose sum is σ = 399793731229350. Its totient is φ = 106611661661152.

The previous prime is 213223323322231. The next prime is 213223323322319.

213223323322312 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 121875108566436 + 91348214755876 = 11039706^2 + 9557626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×213223323322312² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213223323322319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13326457707637 + ... + 13326457707652.

Almost surely, 2^{213223323322312} is an apocalyptic number.

It is an amenable number.

213223323322312 is a deficient number, since it is larger than the sum of its proper divisors (186570407907038).

213223323322312 is a wasteful number, since it uses less digits than its factorization.

213223323322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26652915415295 (or 26652915415291 counting only the distinct ones).

The product of its digits is 93312, while the sum is 34.

The spelling of 213223323322312 in words is "two hundred thirteen trillion, two hundred twenty-three billion, three hundred twenty-three million, three hundred twenty-two thousand, three hundred twelve".