12542967118 has 16 divisors (see below), whose sum is σ = 20639525760. Its totient is φ = 5669495800.

The previous prime is 12542967113. The next prime is 12542967163. The reversal of 12542967118 is 81176924521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542967113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588618 + ... + 1596493.

It is an arithmetic number, because the mean of its divisors is an integer number (1289970360).

Almost surely, 2^12542967118 is an apocalyptic number.

12542967118 is a deficient number, since it is larger than the sum of its proper divisors (8096558642).

12542967118 is a wasteful number, since it uses less digits than its factorization.

12542967118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185303.

The product of its digits is 241920, while the sum is 46.

The spelling of 12542967118 in words is "twelve billion, five hundred forty-two million, nine hundred sixty-seven thousand, one hundred eighteen".