4102120213 has 4 divisors (see below), whose sum is σ = 4343421420. Its totient is φ = 3860819008.

The previous prime is 4102120177. The next prime is 4102120241. The reversal of 4102120213 is 3120212014.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3120212014 = 2 ⋅1560106007.

It can be written as a sum of positive squares in 2 ways, for example, as 3483006289 + 619113924 = 59017^2 + 24882^2 .

It is a cyclic number.

It is not a de Polignac number, because 4102120213 - 2⁹ = 4102119701 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 (4102120283) 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, 120650578 + ... + 120650611.

It is an arithmetic number, because the mean of its divisors is an integer number (1085855355).

Almost surely, 2^4102120213 is an apocalyptic number.

It is an amenable number.

4102120213 is a deficient number, since it is larger than the sum of its proper divisors (241301207).

4102120213 is a wasteful number, since it uses less digits than its factorization.

4102120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241301206.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 4102120213 is about 64047.7963165010. The cubic root of 4102120213 is about 1600.7965061548.

Adding to 4102120213 its reverse (3120212014), we get a palindrome (7222332227).

The spelling of 4102120213 in words is "four billion, one hundred two million, one hundred twenty thousand, two hundred thirteen".