213032221205 has 16 divisors (see below), whose sum is σ = 258944148480. Its totient is φ = 168223281408.

The previous prime is 213032221187. The next prime is 213032221219. The reversal of 213032221205 is 502122230312.

It is a cyclic number.

It is not a de Polignac number, because 213032221205 - 2⁸ = 213032220949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439549 + ... + 1580621.

It is an arithmetic number, because the mean of its divisors is an integer number (16184009280).

Almost surely, 2^213032221205 is an apocalyptic number.

It is an amenable number.

213032221205 is a deficient number, since it is larger than the sum of its proper divisors (45911927275).

213032221205 is a wasteful number, since it uses less digits than its factorization.

213032221205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144980.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 213032221205 its reverse (502122230312), we get a palindrome (715154451517).

The spelling of 213032221205 in words is "two hundred thirteen billion, thirty-two million, two hundred twenty-one thousand, two hundred five".