1321322113142 has 16 divisors (see below), whose sum is σ = 2004311427120. Its totient is φ = 653218739712.

The previous prime is 1321322113117. The next prime is 1321322113171. The reversal of 1321322113142 is 2413112231231.

It is a super-2 number, since 2×1321322113142² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 7445798 + ... + 7621190.

It is an arithmetic number, because the mean of its divisors is an integer number (125269464195).

Almost surely, 2^{1321322113142} is an apocalyptic number.

1321322113142 is a deficient number, since it is larger than the sum of its proper divisors (682989313978).

1321322113142 is a wasteful number, since it uses less digits than its factorization.

1321322113142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217807.

The product of its digits is 1728, while the sum is 26.

Adding to 1321322113142 its reverse (2413112231231), we get a palindrome (3734434344373).

The spelling of 1321322113142 in words is "one trillion, three hundred twenty-one billion, three hundred twenty-two million, one hundred thirteen thousand, one hundred forty-two".