4013120213 has 4 divisors (see below), whose sum is σ = 4013339820. Its totient is φ = 4012900608.

The previous prime is 4013120183. The next prime is 4013120263. The reversal of 4013120213 is 3120213104.

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 1491272689 + 2521847524 = 38617^2 + 50218^2 .

It is a cyclic number.

It is not a de Polignac number, because 4013120213 - 2²² = 4008925909 is a prime.

It is a super-2 number, since 2×4013120213² = 32210267687978330738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4013120191 and 4013120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013120263) 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, 79628 + ... + 119861.

It is an arithmetic number, because the mean of its divisors is an integer number (1003334955).

Almost surely, 2^4013120213 is an apocalyptic number.

It is an amenable number.

4013120213 is a deficient number, since it is larger than the sum of its proper divisors (219607).

4013120213 is a wasteful number, since it uses less digits than its factorization.

4013120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219606.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4013120213 is about 63349.1926783602. The cubic root of 4013120213 is about 1589.1347444729.

Adding to 4013120213 its reverse (3120213104), we get a palindrome (7133333317).

The spelling of 4013120213 in words is "four billion, thirteen million, one hundred twenty thousand, two hundred thirteen".