20212144121227 has 2 divisors, whose sum is σ = 20212144121228. Its totient is φ = 20212144121226.

The previous prime is 20212144121189. The next prime is 20212144121233. The reversal of 20212144121227 is 72212144121202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20212144121227 - 2¹⁵ = 20212144088459 is a prime.

It is not a weakly prime, because it can be changed into another prime (20212144121237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106072060613 + 10106072060614.

It is an arithmetic number, because the mean of its divisors is an integer number (10106072060614).

Almost surely, 2^{20212144121227} is an apocalyptic number.

20212144121227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212144121227 is an equidigital number, since it uses as much as digits as its factorization.

20212144121227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 31.

Adding to 20212144121227 its reverse (72212144121202), we get a palindrome (92424288242429).

The spelling of 20212144121227 in words is "twenty trillion, two hundred twelve billion, one hundred forty-four million, one hundred twenty-one thousand, two hundred twenty-seven".