12743541254 has 4 divisors (see below), whose sum is σ = 19115311884. Its totient is φ = 6371770626.

The previous prime is 12743541247. The next prime is 12743541257. The reversal of 12743541254 is 45214534721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45214534721 = 17 ⋅2659678513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12743541257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3185885312 + ... + 3185885315.

It is an arithmetic number, because the mean of its divisors is an integer number (4778827971).

Almost surely, 2^12743541254 is an apocalyptic number.

12743541254 is a deficient number, since it is larger than the sum of its proper divisors (6371770630).

12743541254 is an equidigital number, since it uses as much as digits as its factorization.

12743541254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371770629.

The product of its digits is 134400, while the sum is 38.

The spelling of 12743541254 in words is "twelve billion, seven hundred forty-three million, five hundred forty-one thousand, two hundred fifty-four".