1321143204034 has 16 divisors (see below), whose sum is σ = 2035311078528. Its totient is φ = 642706816752.

The previous prime is 1321143204001. The next prime is 1321143204097. The reversal of 1321143204034 is 4304023411231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1321143203993 and 1321143204011.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5221207 + ... + 5468389.

It is an arithmetic number, because the mean of its divisors is an integer number (127206942408).

Almost surely, 2^{1321143204034} is an apocalyptic number.

1321143204034 is a deficient number, since it is larger than the sum of its proper divisors (714167874494).

1321143204034 is a wasteful number, since it uses less digits than its factorization.

1321143204034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319449.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1321143204034 its reverse (4304023411231), we get a palindrome (5625166615265).

The spelling of 1321143204034 in words is "one trillion, three hundred twenty-one billion, one hundred forty-three million, two hundred four thousand, thirty-four".