1321434211142 has 32 divisors (see below), whose sum is σ = 2076095496384. Its totient is φ = 629620992000.

The previous prime is 1321434211129. The next prime is 1321434211199. The reversal of 1321434211142 is 2411124341231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20135342 + ... + 20200862.

It is an arithmetic number, because the mean of its divisors is an integer number (64877984262).

Almost surely, 2^{1321434211142} is an apocalyptic number.

1321434211142 is a deficient number, since it is larger than the sum of its proper divisors (754661285242).

1321434211142 is a wasteful number, since it uses less digits than its factorization.

1321434211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67184.

The product of its digits is 4608, while the sum is 29.

Adding to 1321434211142 its reverse (2411124341231), we get a palindrome (3732558552373).

The spelling of 1321434211142 in words is "one trillion, three hundred twenty-one billion, four hundred thirty-four million, two hundred eleven thousand, one hundred forty-two".