12011243101 has 8 divisors (see below), whose sum is σ = 14111110944. Its totient is φ = 10079364720.

The previous prime is 12011243063. The next prime is 12011243107. The reversal of 12011243101 is 10134211021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12011243101 - 2²⁵ = 11977688669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011243107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41997211 + ... + 41997496.

It is an arithmetic number, because the mean of its divisors is an integer number (1763888868).

Almost surely, 2^12011243101 is an apocalyptic number.

12011243101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12011243101 is a deficient number, since it is larger than the sum of its proper divisors (2099867843).

12011243101 is a wasteful number, since it uses less digits than its factorization.

12011243101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83994731.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011243101 its reverse (10134211021), we get a palindrome (22145454122).

The spelling of 12011243101 in words is "twelve billion, eleven million, two hundred forty-three thousand, one hundred one".