12642042163 has 16 divisors (see below), whose sum is σ = 13567145760. Its totient is φ = 11737529856.

The previous prime is 12642042151. The next prime is 12642042167. The reversal of 12642042163 is 36124024621.

It is a cyclic number.

It is not a de Polignac number, because 12642042163 - 2²⁹ = 12105171251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12642042167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994081 + ... + 1006717.

It is an arithmetic number, because the mean of its divisors is an integer number (847946610).

Almost surely, 2^12642042163 is an apocalyptic number.

12642042163 is a deficient number, since it is larger than the sum of its proper divisors (925103597).

12642042163 is a wasteful number, since it uses less digits than its factorization.

12642042163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13446.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 12642042163 its reverse (36124024621), we get a palindrome (48766066784).

The spelling of 12642042163 in words is "twelve billion, six hundred forty-two million, forty-two thousand, one hundred sixty-three".