12163794081 has 8 divisors (see below), whose sum is σ = 16283008224. Its totient is φ = 8076888000.

The previous prime is 12163794061. The next prime is 12163794101. The reversal of 12163794081 is 18049736121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12163794061) and next prime (12163794101).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12163794081 - 2¹⁷ = 12163663009 is a prime.

It is a super-2 number, since 2×12163794081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12163794011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8076136 + ... + 8077641.

It is an arithmetic number, because the mean of its divisors is an integer number (2035376028).

Almost surely, 2^12163794081 is an apocalyptic number.

It is an amenable number.

12163794081 is a deficient number, since it is larger than the sum of its proper divisors (4119214143).

12163794081 is a wasteful number, since it uses less digits than its factorization.

12163794081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16154031.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 12163794081 in words is "twelve billion, one hundred sixty-three million, seven hundred ninety-four thousand, eighty-one".