5012071021 has 2 divisors, whose sum is σ = 5012071022. Its totient is φ = 5012071020.

The previous prime is 5012070991. The next prime is 5012071079. The reversal of 5012071021 is 1201702105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4575846025 + 436224996 = 67645^2 + 20886^2 .

It is a cyclic number.

It is not a de Polignac number, because 5012071021 - 2⁵ = 5012070989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5012071021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5012071091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506035510 + 2506035511.

It is an arithmetic number, because the mean of its divisors is an integer number (2506035511).

Almost surely, 2^5012071021 is an apocalyptic number.

It is an amenable number.

5012071021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5012071021 is an equidigital number, since it uses as much as digits as its factorization.

5012071021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 5012071021 is about 70795.9816726910. The cubic root of 5012071021 is about 1711.3509178200.

Adding to 5012071021 its reverse (1201702105), we get a palindrome (6213773126).

The spelling of 5012071021 in words is "five billion, twelve million, seventy-one thousand, twenty-one".