10012005212021 has 2 divisors, whose sum is σ = 10012005212022. Its totient is φ = 10012005212020.

The previous prime is 10012005211997. The next prime is 10012005212119. The reversal of 10012005212021 is 12021250021001.

10012005212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5965249372996 + 4046755839025 = 2442386^2 + 2011655^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012005212021 - 2¹⁴ = 10012005195637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012005212221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006002606010 + 5006002606011.

It is an arithmetic number, because the mean of its divisors is an integer number (5006002606011).

Almost surely, 2^{10012005212021} is an apocalyptic number.

It is an amenable number.

10012005212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012005212021 is an equidigital number, since it uses as much as digits as its factorization.

10012005212021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 10012005212021 its reverse (12021250021001), we get a palindrome (22033255233022).

The spelling of 10012005212021 in words is "ten trillion, twelve billion, five million, two hundred twelve thousand, twenty-one".