1212422112127 has 2 divisors, whose sum is σ = 1212422112128. Its totient is φ = 1212422112126.

The previous prime is 1212422111983. The next prime is 1212422112133. The reversal of 1212422112127 is 7212112242121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212422112127 - 2¹¹ = 1212422110079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212422112095 and 1212422112104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212425112127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606211056063 + 606211056064.

It is an arithmetic number, because the mean of its divisors is an integer number (606211056064).

Almost surely, 2^{1212422112127} is an apocalyptic number.

1212422112127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212422112127 is an equidigital number, since it uses as much as digits as its factorization.

1212422112127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 28.

Adding to 1212422112127 its reverse (7212112242121), we get a palindrome (8424534354248).

The spelling of 1212422112127 in words is "one trillion, two hundred twelve billion, four hundred twenty-two million, one hundred twelve thousand, one hundred twenty-seven".