12012201201105 has 48 divisors (see below), whose sum is σ = 24121565719680. Its totient is φ = 5416068789504.

The previous prime is 12012201201061. The next prime is 12012201201193. The reversal of 12012201201105 is 50110210221021.

It is not a de Polignac number, because 12012201201105 - 2⁶ = 12012201201041 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261168595 + ... + 261214584.

It is an arithmetic number, because the mean of its divisors is an integer number (502532619160).

Almost surely, 2^{12012201201105} is an apocalyptic number.

12012201201105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12012201201105 is an abundant number, since it is smaller than the sum of its proper divisors (12109364518575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012201201105 is a wasteful number, since it uses less digits than its factorization.

12012201201105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522383270 (or 522383267 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 12012201201105 its reverse (50110210221021), we get a palindrome (62122411422126).

The spelling of 12012201201105 in words is "twelve trillion, twelve billion, two hundred one million, two hundred one thousand, one hundred five".