4121210213 has 4 divisors (see below), whose sum is σ = 4263320940. Its totient is φ = 3979099488.

The previous prime is 4121210209. The next prime is 4121210251. The reversal of 4121210213 is 3120121214.

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 937768129 + 3183442084 = 30623^2 + 56422^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121210213 - 2² = 4121210209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4121210191 and 4121210200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121210113) 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, 71055320 + ... + 71055377.

It is an arithmetic number, because the mean of its divisors is an integer number (1065830235).

Almost surely, 2^4121210213 is an apocalyptic number.

It is an amenable number.

4121210213 is a deficient number, since it is larger than the sum of its proper divisors (142110727).

4121210213 is a wasteful number, since it uses less digits than its factorization.

4121210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142110726.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 4121210213 is about 64196.6526619574. The cubic root of 4121210213 is about 1603.2758681701.

Adding to 4121210213 its reverse (3120121214), we get a palindrome (7241331427).

The spelling of 4121210213 in words is "four billion, one hundred twenty-one million, two hundred ten thousand, two hundred thirteen".