201201326213 has 8 divisors (see below), whose sum is σ = 202236491160. Its totient is φ = 200166301440.

The previous prime is 201201326201. The next prime is 201201326231. The reversal of 201201326213 is 312623102102.

It can be written as a sum of positive squares in 4 ways, for example, as 61910397124 + 139290929089 = 248818^2 + 373217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201201326213 - 2⁶ = 201201326149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201326413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4074833 + ... + 4123913.

It is an arithmetic number, because the mean of its divisors is an integer number (25279561395).

Almost surely, 2^201201326213 is an apocalyptic number.

It is an amenable number.

201201326213 is a deficient number, since it is larger than the sum of its proper divisors (1035164947).

201201326213 is a wasteful number, since it uses less digits than its factorization.

201201326213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70087.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 201201326213 its reverse (312623102102), we get a palindrome (513824428315).

The spelling of 201201326213 in words is "two hundred one billion, two hundred one million, three hundred twenty-six thousand, two hundred thirteen".