12011013021211 has 8 divisors (see below), whose sum is σ = 12163115494400. Its totient is φ = 11858912156520.

The previous prime is 12011013021181. The next prime is 12011013021253. The reversal of 12011013021211 is 11212031011021.

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 12011013021211 - 2¹⁷ = 12011012890139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011013021911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23760430 + ... + 24260668.

It is an arithmetic number, because the mean of its divisors is an integer number (1520389436800).

Almost surely, 2^{12011013021211} is an apocalyptic number.

12011013021211 is a deficient number, since it is larger than the sum of its proper divisors (152102473189).

12011013021211 is an equidigital number, since it uses as much as digits as its factorization.

12011013021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804249.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12011013021211 its reverse (11212031011021), we get a palindrome (23223044032232).

The spelling of 12011013021211 in words is "twelve trillion, eleven billion, thirteen million, twenty-one thousand, two hundred eleven".