12011201331102 has 48 divisors (see below), whose sum is σ = 27080832430080. Its totient is φ = 3844341917136.

The previous prime is 12011201331053. The next prime is 12011201331121. The reversal of 12011201331102 is 20113310211021.

12011201331102 is a `hidden beast` number, since 1 + 20 + 11 + 201 + 331 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131465758 + ... + 131557089.

It is an arithmetic number, because the mean of its divisors is an integer number (564184008960).

Almost surely, 2^{12011201331102} is an apocalyptic number.

12011201331102 is an abundant number, since it is smaller than the sum of its proper divisors (15069631098978).

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

12011201331102 is a wasteful number, since it uses less digits than its factorization.

12011201331102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263022957 (or 263022954 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12011201331102 its reverse (20113310211021), we get a palindrome (32124511542123).

The spelling of 12011201331102 in words is "twelve trillion, eleven billion, two hundred one million, three hundred thirty-one thousand, one hundred two".