12011100110012 has 24 divisors (see below), whose sum is σ = 21369184368000. Its totient is φ = 5905666589760.

The previous prime is 12011100110003. The next prime is 12011100110057. The reversal of 12011100110012 is 21001100111021.

It is a super-3 number, since 3×12011100110012³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12011100109975 and 12011100110002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4956887 + ... + 6970862.

It is an arithmetic number, because the mean of its divisors is an integer number (890382682000).

Almost surely, 2^{12011100110012} is an apocalyptic number.

It is an amenable number.

12011100110012 is a deficient number, since it is larger than the sum of its proper divisors (9358084257988).

12011100110012 is a wasteful number, since it uses less digits than its factorization.

12011100110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11931941 (or 11931939 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12011100110012 its reverse (21001100111021), we get a palindrome (33012200221033).

The spelling of 12011100110012 in words is "twelve trillion, eleven billion, one hundred million, one hundred ten thousand, twelve".