12342744734 has 4 divisors (see below), whose sum is σ = 18514117104. Its totient is φ = 6171372366.

The previous prime is 12342744731. The next prime is 12342744751. The reversal of 12342744734 is 43744724321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43744724321 = 53 ⋅825372157.

It is a junction number, because it is equal to n+sod(n) for n = 12342744691 and 12342744700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342744731) 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 as a sum of consecutive naturals, namely, 3085686182 + ... + 3085686185.

It is an arithmetic number, because the mean of its divisors is an integer number (4628529276).

Almost surely, 2^12342744734 is an apocalyptic number.

12342744734 is a deficient number, since it is larger than the sum of its proper divisors (6171372370).

12342744734 is an equidigital number, since it uses as much as digits as its factorization.

12342744734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171372369.

The product of its digits is 451584, while the sum is 41.

The spelling of 12342744734 in words is "twelve billion, three hundred forty-two million, seven hundred forty-four thousand, seven hundred thirty-four".