5212126116413 has 4 divisors (see below), whose sum is σ = 5297570806908. Its totient is φ = 5126681425920.

The previous prime is 5212126116377. The next prime is 5212126116427. The reversal of 5212126116413 is 3146116212125.

It is a happy number.

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 776439420964 + 4435686695449 = 881158^2 + 2106107^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212126116413 - 2¹⁴ = 5212126100029 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 (5212126116313) 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, 42722345156 + ... + 42722345277.

It is an arithmetic number, because the mean of its divisors is an integer number (1324392701727).

Almost surely, 2^{5212126116413} is an apocalyptic number.

It is an amenable number.

5212126116413 is a deficient number, since it is larger than the sum of its proper divisors (85444690495).

5212126116413 is an equidigital number, since it uses as much as digits as its factorization.

5212126116413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85444690494.

The product of its digits is 17280, while the sum is 35.

The spelling of 5212126116413 in words is "five trillion, two hundred twelve billion, one hundred twenty-six million, one hundred sixteen thousand, four hundred thirteen".