213233115205 has 8 divisors (see below), whose sum is σ = 279141532704. Its totient is φ = 155078629200.

The previous prime is 213233115181. The next prime is 213233115233. The reversal of 213233115205 is 502511332312.

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

It is a de Polignac number, because none of the positive numbers 2^k-213233115205 is a prime.

It is a super-2 number, since 2×213233115205² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938482811 + ... + 1938482920.

It is an arithmetic number, because the mean of its divisors is an integer number (34892691588).

Almost surely, 2^213233115205 is an apocalyptic number.

It is an amenable number.

213233115205 is a deficient number, since it is larger than the sum of its proper divisors (65908417499).

213233115205 is a wasteful number, since it uses less digits than its factorization.

213233115205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876965747.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 213233115205 its reverse (502511332312), we get a palindrome (715744447517).

The spelling of 213233115205 in words is "two hundred thirteen billion, two hundred thirty-three million, one hundred fifteen thousand, two hundred five".