10000212004021 has 2 divisors, whose sum is σ = 10000212004022. Its totient is φ = 10000212004020.

The previous prime is 10000212003941. The next prime is 10000212004063. The reversal of 10000212004021 is 12040021200001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6692491390225 + 3307720613796 = 2586985^2 + 1818714^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000212004021 - 2¹¹ = 10000212001973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10000212003992 and 10000212004010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000212004621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000106002010 + 5000106002011.

It is an arithmetic number, because the mean of its divisors is an integer number (5000106002011).

Almost surely, 2^{10000212004021} is an apocalyptic number.

It is an amenable number.

10000212004021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000212004021 is an equidigital number, since it uses as much as digits as its factorization.

10000212004021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10000212004021 its reverse (12040021200001), we get a palindrome (22040233204022).

The spelling of 10000212004021 in words is "ten trillion, two hundred twelve million, four thousand, twenty-one".