12160052121 has 32 divisors (see below), whose sum is σ = 18934528000. Its totient is φ = 6938764560.

The previous prime is 12160052101. The next prime is 12160052123. The reversal of 12160052121 is 12125006121.

It is not a de Polignac number, because 12160052121 - 2⁶ = 12160052057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12160052123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 752436 + ... + 768426.

It is an arithmetic number, because the mean of its divisors is an integer number (591704000).

Almost surely, 2^12160052121 is an apocalyptic number.

It is an amenable number.

12160052121 is a deficient number, since it is larger than the sum of its proper divisors (6774475879).

12160052121 is an equidigital number, since it uses as much as digits as its factorization.

12160052121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16754 (or 16740 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 12160052121 its reverse (12125006121), we get a palindrome (24285058242).

The spelling of 12160052121 in words is "twelve billion, one hundred sixty million, fifty-two thousand, one hundred twenty-one".