13212542343 has 64 divisors (see below), whose sum is σ = 24292703232. Its totient is φ = 6164398080.

The previous prime is 13212542323. The next prime is 13212542353. The reversal of 13212542343 is 34324521231.

13212542343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13212542343 - 2³⁰ = 12138800519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13212542343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212542323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51655 + ... + 170567.

It is an arithmetic number, because the mean of its divisors is an integer number (379573488).

Almost surely, 2^13212542343 is an apocalyptic number.

13212542343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13212542343 is a deficient number, since it is larger than the sum of its proper divisors (11080160889).

13212542343 is a wasteful number, since it uses less digits than its factorization.

13212542343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118984.

The product of its digits is 17280, while the sum is 30.

It can be divided in two parts, 13212 and 542343, that added together give a palindrome (555555).

The spelling of 13212542343 in words is "thirteen billion, two hundred twelve million, five hundred forty-two thousand, three hundred forty-three".