12012111103108 has 24 divisors (see below), whose sum is σ = 21540341267424. Its totient is φ = 5857815432000.

The previous prime is 12012111103103. The next prime is 12012111103117. The reversal of 12012111103108 is 80130111121021.

It is not an unprimeable number, because it can be changed into a prime (12012111103103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10392918 + ... + 11490733.

It is an arithmetic number, because the mean of its divisors is an integer number (897514219476).

Almost surely, 2^{12012111103108} is an apocalyptic number.

It is an amenable number.

12012111103108 is a deficient number, since it is larger than the sum of its proper divisors (9528230164316).

12012111103108 is a wasteful number, since it uses less digits than its factorization.

12012111103108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21887043 (or 21887041 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 22.

Adding to 12012111103108 its reverse (80130111121021), we get a palindrome (92142222224129).

The spelling of 12012111103108 in words is "twelve trillion, twelve billion, one hundred eleven million, one hundred three thousand, one hundred eight".