204101213 has 16 divisors (see below), whose sum is σ = 215407104. Its totient is φ = 193155840.

The previous prime is 204101203. The next prime is 204101231. The reversal of 204101213 is 312101402.

204101213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 204101213 - 2⁸ = 204100957 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 (204101203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418856 + ... + 419342.

It is an arithmetic number, because the mean of its divisors is an integer number (13462944).

Almost surely, 2^204101213 is an apocalyptic number.

It is an amenable number.

204101213 is a deficient number, since it is larger than the sum of its proper divisors (11305891).

204101213 is a wasteful number, since it uses less digits than its factorization.

204101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 204101213 is about 14286.3995814201. The cubic root of 204101213 is about 588.7738713400.

Adding to 204101213 its reverse (312101402), we get a palindrome (516202615).

The spelling of 204101213 in words is "two hundred four million, one hundred one thousand, two hundred thirteen".