12548067236542 has 4 divisors (see below), whose sum is σ = 18822100854816. Its totient is φ = 6274033618270.

The previous prime is 12548067236519. The next prime is 12548067236561. The reversal of 12548067236542 is 24563276084521.

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, 3137016809134 + ... + 3137016809137.

It is an arithmetic number, because the mean of its divisors is an integer number (4705525213704).

Almost surely, 2^{12548067236542} is an apocalyptic number.

12548067236542 is a deficient number, since it is larger than the sum of its proper divisors (6274033618274).

12548067236542 is an equidigital number, since it uses as much as digits as its factorization.

12548067236542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274033618273.

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 12548067236542 in words is "twelve trillion, five hundred forty-eight billion, sixty-seven million, two hundred thirty-six thousand, five hundred forty-two".