12163442428842 has 16 divisors (see below), whose sum is σ = 24984368232672. Its totient is φ = 3944900247120.

The previous prime is 12163442428829. The next prime is 12163442428843. The reversal of 12163442428842 is 24882424436121.

It is not an unprimeable number, because it can be changed into a prime (12163442428843) 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, 27395140384 + ... + 27395140827.

It is an arithmetic number, because the mean of its divisors is an integer number (1561523014542).

Almost surely, 2^{12163442428842} is an apocalyptic number.

12163442428842 is an abundant number, since it is smaller than the sum of its proper divisors (12820925803830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12163442428842 is a wasteful number, since it uses less digits than its factorization.

12163442428842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54790281253.

The product of its digits is 4718592, while the sum is 51.

The spelling of 12163442428842 in words is "twelve trillion, one hundred sixty-three billion, four hundred forty-two million, four hundred twenty-eight thousand, eight hundred forty-two".