12015122163 has 8 divisors (see below), whose sum is σ = 17476541376. Its totient is φ = 7281892200.

The previous prime is 12015122137. The next prime is 12015122219. The reversal of 12015122163 is 36122151021.

It is a happy number.

12015122163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-12015122163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12015122123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182047273 + ... + 182047338.

It is an arithmetic number, because the mean of its divisors is an integer number (2184567672).

Almost surely, 2^12015122163 is an apocalyptic number.

12015122163 is a deficient number, since it is larger than the sum of its proper divisors (5461419213).

12015122163 is a wasteful number, since it uses less digits than its factorization.

12015122163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364094625.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 12015122163 its reverse (36122151021), we get a palindrome (48137273184).

The spelling of 12015122163 in words is "twelve billion, fifteen million, one hundred twenty-two thousand, one hundred sixty-three".