210012122021927 has 2 divisors, whose sum is σ = 210012122021928. Its totient is φ = 210012122021926.

The previous prime is 210012122021909. The next prime is 210012122022011. The reversal of 210012122021927 is 729120221210012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210012122021927 - 2¹⁰ = 210012122020903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210012122021893 and 210012122021902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210012322021927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006061010963 + 105006061010964.

It is an arithmetic number, because the mean of its divisors is an integer number (105006061010964).

Almost surely, 2^{210012122021927} is an apocalyptic number.

210012122021927 is a deficient number, since it is larger than the sum of its proper divisors (1).

210012122021927 is an equidigital number, since it uses as much as digits as its factorization.

210012122021927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

Adding to 210012122021927 its reverse (729120221210012), we get a palindrome (939132343231939).

The spelling of 210012122021927 in words is "two hundred ten trillion, twelve billion, one hundred twenty-two million, twenty-one thousand, nine hundred twenty-seven".