2124210124213 has 8 divisors (see below), whose sum is σ = 2133169398360. Its totient is φ = 2115252049920.

The previous prime is 2124210124199. The next prime is 2124210124219. The reversal of 2124210124213 is 3124210124212.

It can be written as a sum of positive squares in 4 ways, for example, as 298703785444 + 1825506338769 = 546538^2 + 1351113^2 .

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 2124210124213 - 2⁵ = 2124210124181 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 (2124210124219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3341253 + ... + 3925861.

It is an arithmetic number, because the mean of its divisors is an integer number (266646174795).

Almost surely, 2^{2124210124213} is an apocalyptic number.

It is an amenable number.

2124210124213 is a deficient number, since it is larger than the sum of its proper divisors (8959274147).

2124210124213 is a wasteful number, since it uses less digits than its factorization.

2124210124213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599927.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 2124210124213 its reverse (3124210124212), we get a palindrome (5248420248425).

Subtracting 2124210124213 from its reverse (3124210124212), we obtain a palindrome (999999999999).

The spelling of 2124210124213 in words is "two trillion, one hundred twenty-four billion, two hundred ten million, one hundred twenty-four thousand, two hundred thirteen".