5212513212101 has 8 divisors (see below), whose sum is σ = 5613542723544. Its totient is φ = 4811493265920.

The previous prime is 5212513212041. The next prime is 5212513212157. The reversal of 5212513212101 is 1012123152125.

It can be written as a sum of positive squares in 4 ways, for example, as 28813365025 + 5183699847076 = 169745^2 + 2276774^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5212513212101 is a prime.

It is a super-2 number, since 2×5212513212101² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212513212161) 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, 1238936 + ... + 3458321.

It is an arithmetic number, because the mean of its divisors is an integer number (701692840443).

Almost surely, 2^{5212513212101} is an apocalyptic number.

It is an amenable number.

5212513212101 is a deficient number, since it is larger than the sum of its proper divisors (401029511443).

5212513212101 is a wasteful number, since it uses less digits than its factorization.

5212513212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782631.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 5212513212101 its reverse (1012123152125), we get a palindrome (6224636364226).

The spelling of 5212513212101 in words is "five trillion, two hundred twelve billion, five hundred thirteen million, two hundred twelve thousand, one hundred one".