1321302400022 has 16 divisors (see below), whose sum is σ = 2162152731600. Its totient is φ = 600586019040.

The previous prime is 1321302399919. The next prime is 1321302400031. The reversal of 1321302400022 is 2200042031231.

It is a junction number, because it is equal to n+sod(n) for n = 1321302399967 and 1321302400003.

It is a congruent number.

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, 2573504 + ... + 3043932.

It is an arithmetic number, because the mean of its divisors is an integer number (135134545725).

Almost surely, 2^{1321302400022} is an apocalyptic number.

1321302400022 is a deficient number, since it is larger than the sum of its proper divisors (840850331578).

1321302400022 is a wasteful number, since it uses less digits than its factorization.

1321302400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598111.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1321302400022 its reverse (2200042031231), we get a palindrome (3521344431253).

The spelling of 1321302400022 in words is "one trillion, three hundred twenty-one billion, three hundred two million, four hundred thousand, twenty-two".