1320144122242 has 48 divisors (see below), whose sum is σ = 2213286199992. Its totient is φ = 589960800000.

The previous prime is 1320144122239. The next prime is 1320144122263. The reversal of 1320144122242 is 2422214410231.

It can be written as a sum of positive squares in 4 ways, for example, as 805310606881 + 514833515361 = 897391^2 + 717519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1320144122242.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34538742 + ... + 34576942.

Almost surely, 2^{1320144122242} is an apocalyptic number.

1320144122242 is a deficient number, since it is larger than the sum of its proper divisors (893142077750).

1320144122242 is a wasteful number, since it uses less digits than its factorization.

1320144122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40627 (or 40616 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1320144122242 its reverse (2422214410231), we get a palindrome (3742358532473).

The spelling of 1320144122242 in words is "one trillion, three hundred twenty billion, one hundred forty-four million, one hundred twenty-two thousand, two hundred forty-two".