1320244004043 has 6 divisors (see below), whose sum is σ = 1907019116964. Its totient is φ = 880162669356.

The previous prime is 1320244004039. The next prime is 1320244004071. The reversal of 1320244004043 is 3404004420231.

It is a happy number.

1320244004043 is a `hidden beast` number, since 13 + 2 + 0 + 244 + 0 + 0 + 404 + 3 = 666.

It is not a de Polignac number, because 1320244004043 - 2² = 1320244004039 is a prime.

It is a super-2 number, since 2×1320244004043² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320244003998 and 1320244004016.

It is not an unprimeable number, because it can be changed into a prime (1320244004843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73346889105 + ... + 73346889122.

It is an arithmetic number, because the mean of its divisors is an integer number (317836519494).

Almost surely, 2^{1320244004043} is an apocalyptic number.

1320244004043 is a deficient number, since it is larger than the sum of its proper divisors (586775112921).

1320244004043 is a wasteful number, since it uses less digits than its factorization.

1320244004043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146693778233 (or 146693778230 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1320244004043 its reverse (3404004420231), we get a palindrome (4724248424274).

The spelling of 1320244004043 in words is "one trillion, three hundred twenty billion, two hundred forty-four million, four thousand, forty-three".