12543601262 has 4 divisors (see below), whose sum is σ = 18815401896. Its totient is φ = 6271800630.

The previous prime is 12543601247. The next prime is 12543601297. The reversal of 12543601262 is 26210634521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3135900314 + ... + 3135900317.

It is an arithmetic number, because the mean of its divisors is an integer number (4703850474).

Almost surely, 2^12543601262 is an apocalyptic number.

12543601262 is a deficient number, since it is larger than the sum of its proper divisors (6271800634).

12543601262 is an equidigital number, since it uses as much as digits as its factorization.

12543601262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271800633.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 12543601262 in words is "twelve billion, five hundred forty-three million, six hundred one thousand, two hundred sixty-two".