4121213205 has 16 divisors (see below), whose sum is σ = 6609613824. Its totient is φ = 2192756160.

The previous prime is 4121213203. The next prime is 4121213249. The reversal of 4121213205 is 5023121214.

4121213205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4121213205 - 2¹ = 4121213203 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121213203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 319989 + ... + 332618.

It is an arithmetic number, because the mean of its divisors is an integer number (413100864).

Almost surely, 2^4121213205 is an apocalyptic number.

It is an amenable number.

4121213205 is a deficient number, since it is larger than the sum of its proper divisors (2488400619).

4121213205 is a wasteful number, since it uses less digits than its factorization.

4121213205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653036.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4121213205 is about 64196.6759653489. The cubic root of 4121213205 is about 1603.2762561630.

Adding to 4121213205 its reverse (5023121214), we get a palindrome (9144334419).

The spelling of 4121213205 in words is "four billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred five".