12000001002011 has 16 divisors (see below), whose sum is σ = 13861340978400. Its totient is φ = 10267101089280.

The previous prime is 12000001001999. The next prime is 12000001002043. The reversal of 12000001002011 is 11020010000021.

It is a cyclic number.

It is not a de Polignac number, because 12000001002011 - 2¹⁰ = 12000001000987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12000001002011.

It is not an unprimeable number, because it can be changed into a prime (12000001002911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6167165 + ... + 7876161.

It is an arithmetic number, because the mean of its divisors is an integer number (866333811150).

Almost surely, 2^{12000001002011} is an apocalyptic number.

12000001002011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12000001002011 is a deficient number, since it is larger than the sum of its proper divisors (1861339976389).

12000001002011 is a wasteful number, since it uses less digits than its factorization.

12000001002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746574.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12000001002011 its reverse (11020010000021), we get a palindrome (23020011002032).

The spelling of 12000001002011 in words is "twelve trillion, one million, two thousand, eleven".