5212123646441 has 4 divisors (see below), whose sum is σ = 5227058098500. Its totient is φ = 5197189194384.

The previous prime is 5212123646419. The next prime is 5212123646449. The reversal of 5212123646441 is 1446463212125.

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 2934982286041 + 2277141360400 = 1713179^2 + 1509020^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212123646441 - 2³⁰ = 5211049904617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5212123646449) 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, 7467225506 + ... + 7467226203.

It is an arithmetic number, because the mean of its divisors is an integer number (1306764524625).

Almost surely, 2^{5212123646441} is an apocalyptic number.

It is an amenable number.

5212123646441 is a deficient number, since it is larger than the sum of its proper divisors (14934452059).

5212123646441 is a wasteful number, since it uses less digits than its factorization.

5212123646441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14934452058.

The product of its digits is 276480, while the sum is 41.

Adding to 5212123646441 its reverse (1446463212125), we get a palindrome (6658586858566).

The spelling of 5212123646441 in words is "five trillion, two hundred twelve billion, one hundred twenty-three million, six hundred forty-six thousand, four hundred forty-one".