12012120153 has 16 divisors (see below), whose sum is σ = 19413528000. Its totient is φ = 7280072640.

The previous prime is 12012120149. The next prime is 12012120179. The reversal of 12012120153 is 35102121021.

It is not a de Polignac number, because 12012120153 - 2² = 12012120149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012120103) 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 15 ways as a sum of consecutive naturals, for example, 20222128 + ... + 20222721.

It is an arithmetic number, because the mean of its divisors is an integer number (1213345500).

Almost surely, 2^12012120153 is an apocalyptic number.

It is an amenable number.

12012120153 is a deficient number, since it is larger than the sum of its proper divisors (7401407847).

12012120153 is a wasteful number, since it uses less digits than its factorization.

12012120153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40444869 (or 40444863 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 12012120153 its reverse (35102121021), we get a palindrome (47114241174).

The spelling of 12012120153 in words is "twelve billion, twelve million, one hundred twenty thousand, one hundred fifty-three".