12011000000211 has 12 divisors (see below), whose sum is σ = 17351180268240. Its totient is φ = 8006429620080.

The previous prime is 12011000000201. The next prime is 12011000000213. The reversal of 12011000000211 is 11200000011021.

It is a happy number.

It is not a de Polignac number, because 12011000000211 - 2⁶ = 12011000000147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12011000000193 and 12011000000202.

It is not an unprimeable number, because it can be changed into a prime (12011000000213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75225271 + ... + 75384768.

It is an arithmetic number, because the mean of its divisors is an integer number (1445931689020).

Almost surely, 2^{12011000000211} is an apocalyptic number.

12011000000211 is a deficient number, since it is larger than the sum of its proper divisors (5340180268029).

12011000000211 is a wasteful number, since it uses less digits than its factorization.

12011000000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150618906 (or 150618903 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12011000000211 its reverse (11200000011021), we get a palindrome (23211000011232).

The spelling of 12011000000211 in words is "twelve trillion, eleven billion, two hundred eleven", and thus it is an aban number.