1321234223342 has 24 divisors (see below), whose sum is σ = 2180403055488. Its totient is φ = 600008397120.

The previous prime is 1321234223321. The next prime is 1321234223347. The reversal of 1321234223342 is 2433224321231.

It is a junction number, because it is equal to n+sod(n) for n = 1321234223299 and 1321234223308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321234223347) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2248283 + ... + 2774390.

It is an arithmetic number, because the mean of its divisors is an integer number (90850127312).

Almost surely, 2^{1321234223342} is an apocalyptic number.

1321234223342 is a deficient number, since it is larger than the sum of its proper divisors (859168832146).

1321234223342 is a wasteful number, since it uses less digits than its factorization.

1321234223342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023784 (or 5023773 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 1321234223342 its reverse (2433224321231), we get a palindrome (3754458544573).

The spelling of 1321234223342 in words is "one trillion, three hundred twenty-one billion, two hundred thirty-four million, two hundred twenty-three thousand, three hundred forty-two".