12001112201011 has 8 divisors (see below), whose sum is σ = 12117698858720. Its totient is φ = 11884526908992.

The previous prime is 12001112200981. The next prime is 12001112201101. The reversal of 12001112201011 is 11010221110021.

It is a happy number.

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 12001112201011 - 2¹⁷ = 12001112069939 is a prime.

It is a super-2 number, since 2×12001112201011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001112200982 and 12001112201000.

It is not an unprimeable number, because it can be changed into a prime (12001112231011) by changing a digit.

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, 34545271 + ... + 34890943.

It is an arithmetic number, because the mean of its divisors is an integer number (1514712357340).

Almost surely, 2^{12001112201011} is an apocalyptic number.

12001112201011 is a deficient number, since it is larger than the sum of its proper divisors (116586657709).

12001112201011 is a wasteful number, since it uses less digits than its factorization.

12001112201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682845.

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

Adding to 12001112201011 its reverse (11010221110021), we get a palindrome (23011333311032).

The spelling of 12001112201011 in words is "twelve trillion, one billion, one hundred twelve million, two hundred one thousand, eleven".