12547297342 has 8 divisors (see below), whose sum is σ = 18831687696. Its totient is φ = 6270068112.

The previous prime is 12547297333. The next prime is 12547297361. The reversal of 12547297342 is 24379274521.

12547297342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12547297292 and 12547297301.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1785898 + ... + 1792909.

It is an arithmetic number, because the mean of its divisors is an integer number (2353960962).

Almost surely, 2^12547297342 is an apocalyptic number.

12547297342 is a deficient number, since it is larger than the sum of its proper divisors (6284390354).

12547297342 is a wasteful number, since it uses less digits than its factorization.

12547297342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580562.

The product of its digits is 846720, while the sum is 46.

The spelling of 12547297342 in words is "twelve billion, five hundred forty-seven million, two hundred ninety-seven thousand, three hundred forty-two".