213201203213 has 4 divisors (see below), whose sum is σ = 222470820768. Its totient is φ = 203931585660.

The previous prime is 213201203207. The next prime is 213201203219. The reversal of 213201203213 is 312302102312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (213201203207) and next prime (213201203219).

It is a cyclic number.

It is not a de Polignac number, because 213201203213 - 2¹⁴ = 213201186829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213201203219) 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, 4634808743 + ... + 4634808788.

It is an arithmetic number, because the mean of its divisors is an integer number (55617705192).

Almost surely, 2^213201203213 is an apocalyptic number.

213201203213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

213201203213 is a deficient number, since it is larger than the sum of its proper divisors (9269617555).

213201203213 is an equidigital number, since it uses as much as digits as its factorization.

213201203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9269617554.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213201203213 its reverse (312302102312), we get a palindrome (525503305525).

The spelling of 213201203213 in words is "two hundred thirteen billion, two hundred one million, two hundred three thousand, two hundred thirteen".