200212003021 has 2 divisors, whose sum is σ = 200212003022. Its totient is φ = 200212003020.

The previous prime is 200212003007. The next prime is 200212003037. The reversal of 200212003021 is 120300212002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162198702121 + 38013300900 = 402739^2 + 194970^2 .

It is a cyclic number.

It is not a de Polignac number, because 200212003021 - 2¹⁵ = 200211970253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200212002992 and 200212003010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200212003051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100106001510 + 100106001511.

It is an arithmetic number, because the mean of its divisors is an integer number (100106001511).

Almost surely, 2^200212003021 is an apocalyptic number.

It is an amenable number.

200212003021 is a deficient number, since it is larger than the sum of its proper divisors (1).

200212003021 is an equidigital number, since it uses as much as digits as its factorization.

200212003021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 200212003021 its reverse (120300212002), we get a palindrome (320512215023).

The spelling of 200212003021 in words is "two hundred billion, two hundred twelve million, three thousand, twenty-one".