12012012120112 has 80 divisors (see below), whose sum is σ = 23598879713920. Its totient is φ = 5922468347904.

The previous prime is 12012012120083. The next prime is 12012012120127. The reversal of 12012012120112 is 21102121021021.

It is a super-2 number, since 2×12012012120112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502856233 + ... + 502880119.

It is an arithmetic number, because the mean of its divisors is an integer number (294985996424).

Almost surely, 2^{12012012120112} is an apocalyptic number.

It is an amenable number.

12012012120112 is a deficient number, since it is larger than the sum of its proper divisors (11586867593808).

12012012120112 is a wasteful number, since it uses less digits than its factorization.

12012012120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25158 (or 25152 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012012120112 its reverse (21102121021021), we get a palindrome (33114133141133).

The spelling of 12012012120112 in words is "twelve trillion, twelve billion, twelve million, one hundred twenty thousand, one hundred twelve".