2124213213 has 8 divisors (see below), whose sum is σ = 2833387776. Its totient is φ = 1415590400.

The previous prime is 2124213209. The next prime is 2124213271. The reversal of 2124213213 is 3123124212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2124213213 - 2² = 2124213209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2124213213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124213913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128868 + ... + 144413.

It is an arithmetic number, because the mean of its divisors is an integer number (354173472).

Almost surely, 2^2124213213 is an apocalyptic number.

It is an amenable number.

2124213213 is a deficient number, since it is larger than the sum of its proper divisors (709174563).

2124213213 is a wasteful number, since it uses less digits than its factorization.

2124213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275875.

The product of its digits is 576, while the sum is 21.

The square root of 2124213213 is about 46089.1875931872. The cubic root of 2124213213 is about 1285.4821050813.

Adding to 2124213213 its reverse (3123124212), we get a palindrome (5247337425).

The spelling of 2124213213 in words is "two billion, one hundred twenty-four million, two hundred thirteen thousand, two hundred thirteen".