12010001101211 has 4 divisors (see below), whose sum is σ = 12048371712072. Its totient is φ = 11971630490352.

The previous prime is 12010001101199. The next prime is 12010001101237. The reversal of 12010001101211 is 11210110001021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12010001101211 - 2³⁴ = 11992821232027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010001101192 and 12010001101201.

It is not an unprimeable number, because it can be changed into a prime (12010001101291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19185304961 + ... + 19185305586.

It is an arithmetic number, because the mean of its divisors is an integer number (3012092928018).

Almost surely, 2^{12010001101211} is an apocalyptic number.

12010001101211 is a deficient number, since it is larger than the sum of its proper divisors (38370610861).

12010001101211 is an equidigital number, since it uses as much as digits as its factorization.

12010001101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38370610860.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12010001101211 its reverse (11210110001021), we get a palindrome (23220111102232).

The spelling of 12010001101211 in words is "twelve trillion, ten billion, one million, one hundred one thousand, two hundred eleven".