12011021211201 has 8 divisors (see below), whose sum is σ = 16131590532384. Its totient is φ = 7948899682080.

The previous prime is 12011021211181. The next prime is 12011021211227. The reversal of 12011021211201 is 10211212011021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011021211201 - 2³⁵ = 11976661472833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011021211281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14611947535 + ... + 14611948356.

It is an arithmetic number, because the mean of its divisors is an integer number (2016448816548).

Almost surely, 2^{12011021211201} is an apocalyptic number.

It is an amenable number.

12011021211201 is a deficient number, since it is larger than the sum of its proper divisors (4120569321183).

12011021211201 is a wasteful number, since it uses less digits than its factorization.

12011021211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29223896031.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12011021211201 its reverse (10211212011021), we get a palindrome (22222233222222).

The spelling of 12011021211201 in words is "twelve trillion, eleven billion, twenty-one million, two hundred eleven thousand, two hundred one".