1220452422143 has 2 divisors, whose sum is σ = 1220452422144. Its totient is φ = 1220452422142.

The previous prime is 1220452422139. The next prime is 1220452422151. The reversal of 1220452422143 is 3412242540221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3412242540221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220452422143 - 2² = 1220452422139 is a prime.

It is a super-2 number, since 2×1220452422143² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220452422173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610226211071 + 610226211072.

It is an arithmetic number, because the mean of its divisors is an integer number (610226211072).

Almost surely, 2^{1220452422143} is an apocalyptic number.

1220452422143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220452422143 is an equidigital number, since it uses as much as digits as its factorization.

1220452422143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1220452422143 its reverse (3412242540221), we get a palindrome (4632694962364).

The spelling of 1220452422143 in words is "one trillion, two hundred twenty billion, four hundred fifty-two million, four hundred twenty-two thousand, one hundred forty-three".