1220352445341 has 12 divisors (see below), whose sum is σ = 1764156331132. Its totient is φ = 812910594816.

The previous prime is 1220352445339. The next prime is 1220352445343. The reversal of 1220352445341 is 1435442530221.

It is a happy number.

1220352445341 is a `hidden beast` number, since 1 + 2 + 203 + 5 + 2 + 445 + 3 + 4 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1220352445339) and next prime (1220352445343).

It can be written as a sum of positive squares in 2 ways, for example, as 382127967225 + 838224478116 = 618165^2 + 915546^2 .

It is not a de Polignac number, because 1220352445341 - 2¹ = 1220352445339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220352445296 and 1220352445305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220352445343) 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 in 11 ways as a sum of consecutive naturals, for example, 54796756 + ... + 54819021.

Almost surely, 2^{1220352445341} is an apocalyptic number.

It is an amenable number.

1220352445341 is a deficient number, since it is larger than the sum of its proper divisors (543803885791).

1220352445341 is a wasteful number, since it uses less digits than its factorization.

1220352445341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109617020 (or 109617017 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1220352445341 its reverse (1435442530221), we get a palindrome (2655794975562).

The spelling of 1220352445341 in words is "one trillion, two hundred twenty billion, three hundred fifty-two million, four hundred forty-five thousand, three hundred forty-one".