1243204001324 has 6 divisors (see below), whose sum is σ = 2175607002324. Its totient is φ = 621602000660.

The previous prime is 1243204001287. The next prime is 1243204001339. The reversal of 1243204001324 is 4231004023421.

It is a junction number, because it is equal to n+sod(n) for n = 1243204001293 and 1243204001302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155400500162 + ... + 155400500169.

It is an arithmetic number, because the mean of its divisors is an integer number (362601167054).

Almost surely, 2^{1243204001324} is an apocalyptic number.

It is an amenable number.

1243204001324 is a deficient number, since it is larger than the sum of its proper divisors (932403001000).

1243204001324 is a wasteful number, since it uses less digits than its factorization.

1243204001324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310801000335 (or 310801000333 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1243204001324 its reverse (4231004023421), we get a palindrome (5474208024745).

The spelling of 1243204001324 in words is "one trillion, two hundred forty-three billion, two hundred four million, one thousand, three hundred twenty-four".