12345353043342 has 24 divisors (see below), whose sum is σ = 27139371154728. Its totient is φ = 3741016073520.

The previous prime is 12345353043337. The next prime is 12345353043343. The reversal of 12345353043342 is 24334035354321.

It is a junction number, because it is equal to n+sod(n) for n = 12345353043294 and 12345353043303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345353043343) 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, 8502308533 + ... + 8502309984.

It is an arithmetic number, because the mean of its divisors is an integer number (1130807131447).

Almost surely, 2^{12345353043342} is an apocalyptic number.

12345353043342 is an abundant number, since it is smaller than the sum of its proper divisors (14794018111386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12345353043342 is a wasteful number, since it uses less digits than its factorization.

12345353043342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17004618544 (or 17004618533 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 42.

Adding to 12345353043342 its reverse (24334035354321), we get a palindrome (36679388397663).

The spelling of 12345353043342 in words is "twelve trillion, three hundred forty-five billion, three hundred fifty-three million, forty-three thousand, three hundred forty-two".