12542225067 has 12 divisors (see below), whose sum is σ = 18413540704. Its totient is φ = 8224409520.

The previous prime is 12542225039. The next prime is 12542225077. The reversal of 12542225067 is 76052224521.

12542225067 is a `hidden beast` number, since 1 + 2 + 542 + 2 + 2 + 50 + 67 = 666.

It is not a de Polignac number, because 12542225067 - 2¹⁰ = 12542224043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12542225077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11422243 + ... + 11423340.

Almost surely, 2^12542225067 is an apocalyptic number.

12542225067 is a deficient number, since it is larger than the sum of its proper divisors (5871315637).

12542225067 is a wasteful number, since it uses less digits than its factorization.

12542225067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22845650 (or 22845647 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

Adding to 12542225067 its reverse (76052224521), we get a palindrome (88594449588).

The spelling of 12542225067 in words is "twelve billion, five hundred forty-two million, two hundred twenty-five thousand, sixty-seven".