1012121222227 has 2 divisors, whose sum is σ = 1012121222228. Its totient is φ = 1012121222226.

The previous prime is 1012121222141. The next prime is 1012121222243. The reversal of 1012121222227 is 7222221212101.

1012121222227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012121222227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012121222027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506060611113 + 506060611114.

It is an arithmetic number, because the mean of its divisors is an integer number (506060611114).

Almost surely, 2^{1012121222227} is an apocalyptic number.

1012121222227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012121222227 is an equidigital number, since it uses as much as digits as its factorization.

1012121222227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 1012121222227 its reverse (7222221212101), we get a palindrome (8234342434328).

The spelling of 1012121222227 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-seven".