12011102101012 has 24 divisors (see below), whose sum is σ = 24161060883456. Its totient is φ = 5117860183008.

The previous prime is 12011102100983. The next prime is 12011102101049. The reversal of 12011102101012 is 21010120111021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12011102100983 and 12011102101001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239786868 + ... + 1239796555.

It is an arithmetic number, because the mean of its divisors is an integer number (1006710870144).

Almost surely, 2^{12011102101012} is an apocalyptic number.

It is an amenable number.

12011102101012 is an abundant number, since it is smaller than the sum of its proper divisors (12149958782444).

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

12011102101012 is a wasteful number, since it uses less digits than its factorization.

12011102101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479583607 (or 2479583605 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011102101012 its reverse (21010120111021), we get a palindrome (33021222212033).

The spelling of 12011102101012 in words is "twelve trillion, eleven billion, one hundred two million, one hundred one thousand, twelve".