201215035213 has 4 divisors (see below), whose sum is σ = 201218633980. Its totient is φ = 201211436448.

The previous prime is 201215035201. The next prime is 201215035283. The reversal of 201215035213 is 312530512102.

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 8259537924 + 192955497289 = 90882^2 + 439267^2 .

It is a cyclic number.

It is not a de Polignac number, because 201215035213 - 2¹⁷ = 201214904141 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 (201215035283) 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, 1714170 + ... + 1827787.

It is an arithmetic number, because the mean of its divisors is an integer number (50304658495).

Almost surely, 2^201215035213 is an apocalyptic number.

It is an amenable number.

201215035213 is a deficient number, since it is larger than the sum of its proper divisors (3598767).

201215035213 is an equidigital number, since it uses as much as digits as its factorization.

201215035213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598766.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 201215035213 its reverse (312530512102), we get a palindrome (513745547315).

The spelling of 201215035213 in words is "two hundred one billion, two hundred fifteen million, thirty-five thousand, two hundred thirteen".