1012120221227 has 2 divisors, whose sum is σ = 1012120221228. Its totient is φ = 1012120221226.

The previous prime is 1012120221197. The next prime is 1012120221283. The reversal of 1012120221227 is 7221220212101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012120221227 - 2⁸ = 1012120220971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012120227227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506060110613 + 506060110614.

It is an arithmetic number, because the mean of its divisors is an integer number (506060110614).

Almost surely, 2^{1012120221227} is an apocalyptic number.

1012120221227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012120221227 is an equidigital number, since it uses as much as digits as its factorization.

1012120221227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 1012120221227 its reverse (7221220212101), we get a palindrome (8233340433328).

The spelling of 1012120221227 in words is "one trillion, twelve billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty-seven".