1222112112127 has 2 divisors, whose sum is σ = 1222112112128. Its totient is φ = 1222112112126.

The previous prime is 1222112112119. The next prime is 1222112112149. The reversal of 1222112112127 is 7212112112221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7212112112221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222112112127 - 2³ = 1222112112119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222112112187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056056063 + 611056056064.

It is an arithmetic number, because the mean of its divisors is an integer number (611056056064).

Almost surely, 2^{1222112112127} is an apocalyptic number.

1222112112127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222112112127 is an equidigital number, since it uses as much as digits as its factorization.

1222112112127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 25.

Adding to 1222112112127 its reverse (7212112112221), we get a palindrome (8434224224348).

The spelling of 1222112112127 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty-seven".