2100212325413 has 4 divisors (see below), whose sum is σ = 2100231868908. Its totient is φ = 2100192781920.

The previous prime is 2100212325391. The next prime is 2100212325457. The reversal of 2100212325413 is 3145232120012.

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 844015202209 + 1256197123204 = 918703^2 + 1120802^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100212325413 - 2¹⁶ = 2100212259877 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 (2100212327413) 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 3 ways as a sum of consecutive naturals, for example, 9609656 + ... + 9825777.

It is an arithmetic number, because the mean of its divisors is an integer number (525057967227).

Almost surely, 2^{2100212325413} is an apocalyptic number.

It is an amenable number.

2100212325413 is a deficient number, since it is larger than the sum of its proper divisors (19543495).

2100212325413 is a wasteful number, since it uses less digits than its factorization.

2100212325413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19543494.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 2100212325413 its reverse (3145232120012), we get a palindrome (5245444445425).

The spelling of 2100212325413 in words is "two trillion, one hundred billion, two hundred twelve million, three hundred twenty-five thousand, four hundred thirteen".