12088522161 has 16 divisors (see below), whose sum is σ = 17916569920. Its totient is φ = 8055573120.

The previous prime is 12088522111. The next prime is 12088522241. The reversal of 12088522161 is 16122588021.

12088522161 is a `hidden beast` number, since 120 + 8 + 8 + 522 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 12088522161 - 2⁹ = 12088521649 is a prime.

It is a super-2 number, since 2×12088522161² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12088522111) 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, 30400 + ... + 158433.

It is an arithmetic number, because the mean of its divisors is an integer number (1119785620).

Almost surely, 2^12088522161 is an apocalyptic number.

It is an amenable number.

12088522161 is a deficient number, since it is larger than the sum of its proper divisors (5828047759).

12088522161 is a wasteful number, since it uses less digits than its factorization.

12088522161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191213 (or 191207 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 12088522161 in words is "twelve billion, eighty-eight million, five hundred twenty-two thousand, one hundred sixty-one".