1220112230123 has 2 divisors, whose sum is σ = 1220112230124. Its totient is φ = 1220112230122.

The previous prime is 1220112230093. The next prime is 1220112230131. The reversal of 1220112230123 is 3210322110221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220112230123 - 2⁸ = 1220112229867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220112230095 and 1220112230104.

It is not a weakly prime, because it can be changed into another prime (1220112230723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610056115061 + 610056115062.

It is an arithmetic number, because the mean of its divisors is an integer number (610056115062).

Almost surely, 2^{1220112230123} is an apocalyptic number.

1220112230123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220112230123 is an equidigital number, since it uses as much as digits as its factorization.

1220112230123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1220112230123 its reverse (3210322110221), we get a palindrome (4430434340344).

The spelling of 1220112230123 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two hundred thirty thousand, one hundred twenty-three".