12011201211201 has 8 divisors (see below), whose sum is σ = 16020066308064. Its totient is φ = 8004901794240.

The previous prime is 12011201211199. The next prime is 12011201211209. The reversal of 12011201211201 is 10211210211021.

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 12011201211201 - 2¹ = 12011201211199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011201211209) 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, 641409051 + ... + 641427776.

It is an arithmetic number, because the mean of its divisors is an integer number (2002508288508).

Almost surely, 2^{12011201211201} is an apocalyptic number.

It is an amenable number.

12011201211201 is a deficient number, since it is larger than the sum of its proper divisors (4008865096863).

12011201211201 is a wasteful number, since it uses less digits than its factorization.

12011201211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282839951.

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

Adding to 12011201211201 its reverse (10211210211021), we get a palindrome (22222411422222).

The spelling of 12011201211201 in words is "twelve trillion, eleven billion, two hundred one million, two hundred eleven thousand, two hundred one".