323212203211213 has 4 divisors (see below), whose sum is σ = 323212332734140. Its totient is φ = 323212073688288.

The previous prime is 323212203211199. The next prime is 323212203211217. The reversal of 323212203211213 is 312112302212323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 251410611300489 + 71801591910724 = 15855933^2 + 8473582^2 .

It is a cyclic number.

It is not a de Polignac number, because 323212203211213 - 2¹⁷ = 323212203080141 is a prime.

It is a super-2 number, since 2×323212203211213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212203211217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60943320 + ... + 66034177.

It is an arithmetic number, because the mean of its divisors is an integer number (80803083183535).

Almost surely, 2^{323212203211213} is an apocalyptic number.

It is an amenable number.

323212203211213 is a deficient number, since it is larger than the sum of its proper divisors (129522927).

323212203211213 is a wasteful number, since it uses less digits than its factorization.

323212203211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129522926.

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

Adding to 323212203211213 its reverse (312112302212323), we get a palindrome (635324505423536).

The spelling of 323212203211213 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred three million, two hundred eleven thousand, two hundred thirteen".