5021420013252 has 144 divisors (see below), whose sum is σ = 12901640431680. Its totient is φ = 1646428944384.

The previous prime is 5021420013241. The next prime is 5021420013287. The reversal of 5021420013252 is 2523100241205.

5021420013252 is a `hidden beast` number, since 502 + 1 + 4 + 20 + 0 + 132 + 5 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2689565223 + ... + 2689567089.

It is an arithmetic number, because the mean of its divisors is an integer number (89594725220).

Almost surely, 2^{5021420013252} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5021420013252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6450820215840).

5021420013252 is an abundant number, since it is smaller than the sum of its proper divisors (7880220418428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5021420013252 is a wasteful number, since it uses less digits than its factorization.

5021420013252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162 (or 4157 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 5021420013252 its reverse (2523100241205), we get a palindrome (7544520254457).

The spelling of 5021420013252 in words is "five trillion, twenty-one billion, four hundred twenty million, thirteen thousand, two hundred fifty-two".